3 Questions
What happens to the diaphragm when you inhale?
It contracts and flattens, creating a partial vacuum inside the chest cavity.
What is the role of hemoglobin in the bloodstream?
It binds with oxygen, increasing the blood's oxygen-carrying capacity more than 60 times.
What happens to carbon dioxide in the body tissues?
It diffuses into capillaries, enters red blood cells, and combines with water to form carbonic acid and then bicarbonate.
This quiz covers the process of gas exchange in the respiratory system. It includes the mechanism of inhaling, the role of the diaphragm, and the diffusion of oxygen from the alveoli into the capillaries. Test your knowledge of the respiratory system and the gas exchange process.
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