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The passages that direct air into the lungs

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Presentation on theme: "The passages that direct air into the lungs"— Presentation transcript:

1 The passages that direct air into the lungs
Respiration The process by which cells break down simple food molecules to release the energy they contain Cilia The hair like projections on the outside of cells that move in a wave like manner Pharynx The throat Trachea The windpipe, a passage through which air moves in the respiratory system Bronchi The passages that direct air into the lungs

2 Lungs Alveoli Diaphragm Larynx Vocal Cords
An organ found in air breathing vertebrates that exchanges oxygen and carbon dioxide in the blood Tiny sacs of lung tissue specialized for the movement of gases between air and blood Alveoli Diaphragm A large muscle located at the bottom of a mammal’s rib cage that functions in breathing Larynx The voice box Vocal Cords Folds of connective tissue that stretch across the opening of the larynx and produce a person’s voice

3 Tar Carbon Monoxide Nicotine Addiction Bronchitis
A dark sticky substance that forms when tobacco burns Carbon Monoxide A colorless odorless gas produced when substances including tobacco burn Nicotine A stimulant drug in tobacco that increases the activities of the nervous system, heart and other organs Addiction A physical dependence on a substance Bronchitis An irritation of the breathing passages in which small passages become narrower than normal and may be clogged with mucus

4 Emphysema Excretion Urea Kidney Urine
A serious disease that destroys lung tissue and causes breathing difficulties Excretion The process by which wastes are removed from the body Urea A chemical that comes from the breakdown of proteins Kidney A major organ of the excretory system that removes urea and other wastes from the blood Urine A watery fluid produced by the kidneys that contains urea and other wastes

5 A small tube through which urine flows from the body
Ureter A narrow tube that carries urine form the kidneys to the urinary bladder Urinary Bladder A sac like muscular organ that stores urine until it is eliminated from the body Urethra A small tube through which urine flows from the body Nephron Small filtering structure found in the kidneys that removes waste from blood and produces urine


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