Question

Mark the following statement as True or False. Correct the false statement.

Exhaled air has more percentage of CO₂ than inhaled air

Options

• True

• False

Answer 1

This statement is True.

Explanation:

Exhaled air contains a higher percentage of carbon dioxide (CO₂) than inhaled air because during respiration, the body uses oxygen (O₂) and produces carbon dioxide as a waste product. Inhaled air contains about 0.04% CO₂, while exhaled air contains about 4-5% CO₂.