Why is gas exchange crucial to sustaining life? Select all that apply. It rids the body of carbon dioxide.
It allows the body to take in carbon dioxide.
It provides the body with oxygen.
It transports blood around the body.

Gas exchange is crucial to sustain life because it rids the body of carbon dioxide and provides oxygen to the body.

Explanation:

Gas exchange in living beings is a mechanism that involves the incorporation of oxygen (O₂) into the organism and the elimination of carbon dioxide (CO₂). This exchange takes place in the pulmonary alveolus and in cells and tissues.

The reason why gas exchange is crucial for the sustain of life is because it is the mechanism that allows the entry of O₂ necessary for cellular functions, as well as providing a means of CO₂ elimination.

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