AP BIOLOGY

Detailed explanation-1: -The carbon dioxide produced is a waste product and needs to be removed. Just like oxygen, carbon dioxide is transferred to blood to be carried to the lungs, where it is removed and we breathe it out.

Detailed explanation-2: -Assertion :Carbon dioxide produced as a result of cellular respiration combines with water to form carbonic acid that decreases the blood pH. Reason: CO2 must be eliminated from the body to maintain homeostasis.

Detailed explanation-3: -As a result, carbon dioxide accumulates in the bloodstream. If the problem is not corrected, the blood eventually becomes acidic, a condition known as respiratory acidosis. The acidity causes oxygen molecules to drop out of the bloodstream too quickly.

Detailed explanation-4: -The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.