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Human Systems
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SKELETAL system interrelationships
Muscular: Provides support, creates movement Circulatory: provides RBCs Digestive: Provides nutrients needed for healthy bone growth Endocrine: hormones regulate growth Nervous: Protection of brain/spinal cord
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MUSCULAR system interrelationships
Circulatory: Circulates O2 to muscles (heart is composed of cardiac muscle) Skeletal: helps creates movement Digestive: provides sugar needed for ATP synthesis Nervous: Stimulates muscle contraction and movement
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Integumentary System Interrelationship
Covers all other systems Endocrine: Hormones stimulate oil secretion in skin Immune: First line of defense Digestive: Creation of Vitamin D Nervous- stimulus response Excretory – helps regulates body temperature by releasing sweat and gasses.
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CARDIOVASCULAR System Interrelationships
Endocrine: Circulates hormones Lymphatic: Returns fluids to circulatory system Digestive: Brings nutrients that were reabsorbed in intestines to cells that need them Excretory System: Removes wastes from blood stream Muscular: Provides sugars and O2 needed for ATP synthesis during muscle contraction
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RESPIRATORY System Interrelationships
Muscular: Uses O2, increases respiration during exercise Circulatory: Circulates O2 and CO2 Nervous: “Fight or Flight” affects breathing Excretory: Kidneys dispose of other metabolic wastes (other than CO2)
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DIGESTIVE System Interrelationships
Excretory: Eliminates nitrogenous wastes produced. Circulatory: Moves nutrients through body. Endocrine: Hormones allow organs to function/digest properly, metabolism, hunger Muscular: Muscle increases movement of food through the whole digestive tract
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EXCRETORY System Interrelationships
Circulatory: Filters nitrogenous wastes from blood in kidneys Lymphatic: Maintains water balance in blood Digestive: nitrogenous wastes reabsorbed can exit; Urea-made in liver Endocrine: hormones regulate
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NERVOUS system Interrelationships
Integumentary: Sense of touch Respiratory: Involuntary breathing Muscular: Impulse to contract Digestive: controls hunger
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REPRODUCTIVE System Interrelationships
Muscular: supports reproductive organs and are active during childbirth Endocrine: Secretes hormones that control sex organs Digestive: developing fetus crowds digestive organs during pregnancy, which can cause heartburn, constipation, etc.
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ENDOCRINE System Interrelationships
Reproductive: stimulate puberty and birth of child (i.e. contractions, “water breaking”) Digestive: stimulates metabolism of sugars Immune: helps with immune responses Circulatory: provides main transport medium for hormones Respiration: Epinephrine increases respiration by dilating bronchioles
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Lymphatic / Immune Systems Interrelationships
Digestive: Pathogens ingested are destroyed Excretory: Fluid is filtered in kidneys Circulatory: WBCs travel in blood vessels; fluid is returned into vessels Skeletal: Cells are made in bone marrow Integumentary: Skin acts as a barrier
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Instructions: For each body system, you will need to:
- Create a model ACCORDING TO THE DIRECTIONS in your handout - Give the system’s functions and components - List the interrelationships the system has with other systems.
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