Please answer this: Process: - Oxygen enters the body through the mouth or nose - The oxygen travels into the lungs - The oxygen binds to hemoglobin proteins within erythrocytes (red blood cells) - The erythrocytes are pumped through the body by the heart - All cells receive the oxygen.  Question: suppose a person is at high altitude happens, how will it affect they may become light headed.  - A: more - B: less - C: no effect
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Answer: B


Please answer this: Process: - You breathe in - Diaphragm and other muscles expand to allow room for your lungs to fill - The air flows into the narrow bronchioles in the lungs - From the bronchioles to the alveoli - The oxygen enters into the bloodstream - Is switched with the carbon dioxide in the bloodstream - The carbon dioxide enters through the alveoli - Through the narrow bronchioles - Into the lungs - The carbon dioxide is exhaled out of the body.  Question: suppose more oxygen to bloodstream happens, how will it affect LESS oxygen being brought to the body.  - A: more - B: less - C: no effect
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Answer: A


Please answer this: Process: - He air we breathe contains oxygen and other gases - Once in the lungs, oxygen is moved into the bloodstream and carried through your body - At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide - Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled - Your lungs and respiratory system automatically perform this vital process, called gas exchange -   Question: suppose the lung is not able to exhale or inhale happens, how will it affect the lung is defective.  - A: more - B: less - C: no effect
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Answer:
A