3.4.6 The Excretory System in the Human 1 Follow-Me – iQuiz

Q. What is meant by the term excretion? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. State the role of the kidneys in homeostasis. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. What tube/structure connects the kidney to the bladder? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Explain the term plasma. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Explain why red blood cells are normally absent from glomerular filtrate. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Urea is an excretory product. Name a substance from which it is derived. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Where in the human kidney does re-absorption take place? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Name the blood vessel that supplies blood to a kidney. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. In which cavity of the body are the kidneys located? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Name one substance, other than water, excreted in the urine. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Why is glucose normally absent from urine? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Give a feature of the kidney which indicates that it is an exocrine gland. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Mention one method of excretion in flowering plants. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Name the tube/structure that delivers urine outside the body. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Explain the term glomerular filtrate. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Carbon dioxide is an excretory product. Name a substance from which it is derived. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. What is the source of the heat that keeps the body at a fairly constant temperature? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. From which blood vessel does the renal artery arise? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. The concentration of glucose is the same in plasma and glomerular filtrate. Why is this? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. State two responses that result when body temperature begins to drop. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. State two ways in which the body is insulated against loss of heat. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Describe the ways in which the body responds when its internal temperature rises above the normal level. Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. Explain briefly how sweating assists in the shedding of excess heat Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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Q. What is an endotherm? Abdominal; Abdomen Carbohydrate; Fat; Fatty acids Glucose is small and passes through Fat/Adipose tissue; Trapped air/Hair Elimination of waste products of metabolism Piloerection; Vasoconstriction; Brain initiates increased metabolic rate Maintaining water/salt balance; Osmoregulation Liquid part of the blood Has ducts; Does not produce hormones Protein; Amino acid Renal artery Film of H 2 O on body surface, heated by the body; water evaporates with the heat, body left cooler Too big to pass into Bowman’s capsule Urea; Salt; Uric acid Plasma that has entered Bowman’s capsule Vasodilation; Sweat secretion; Hairs lie flat, less air trapped Urethra Ureter Usually reabsorbed Animal that produces its own body heat; Body temp independent of environment temp Proximal convoluted tubule Aorta Respiration Diffusion; Transpiration; Through lenticels or stomata; Leaf fall

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