Question

A physical process in which an organism takes in oxygen is called ___.

• A. exhalation
• B. inhalation
• C. breathing
• D. respiration

Answer 1

The correct option is B

inhalation

A physical process in which an organism takes in oxygen is called inhalation. Breathing is defined as the process that moves air in (inhalation) and out of the lungs (exhalation). Respiration is the breakdown of food molecules in the presence of oxygen with the release of carbon dioxide, water, and energy.