p947-948 10 questions and indexed; 47-3 vocab

p947-948 10 questions and indexed; 47-3 vocab - without...

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Joseph Leonard – 4/9/08 – p947 – 948 10 questions and indexed; 47-3 vocabulary 1. 947 – 1 How many oxygen molecules can one hemoglobin carry? 2. 947 – 2 Why does carbon dioxide diffuse out of the cells into the blood? 3. 947 – 2 About what percent of the carbon dioxide dissolves in the plasma? 4. 947 – 2 What does 67 percent of the carbon dioxide do in the blood? 5. 947 – 3 What is the process of taking air into the lungs? 6. 948 – 1 What happens when the diaphragm flattens? 7. 948 – 2 What occurs during the process of expiration? 8. 948 – 3 What does the rate at which oxygen is used depend on? 9. 948 – 4 What controls the rate of breathing? 10. 948 – 4 Which mechanism allows humans to swim underwater and to sleep
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Unformatted text preview: without concern for breathing? 47-3 alveolus one of the tiny air sacs found in the lungs bronchiole a small tube that branches from the bronchi within the lungs bronchus one of the two branches of the trachea that enter the lungs epiglottis a flap of tissue that covers the trachea expiration the process in which air is forced out of the lungs external respiration the exchange of gases between the atmosphere and the blood inspiration the process of taking air into the lungs internal respiration the exchange of gases between the blood and the cells of the body larynx the voice box that houses the vocal cords trachea the tube that connects the pharynx to the lungs...
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