A person on a strict diet and exercise regimen lost 7 kg (about 15 pounds) of body fat in just two weeks. What is the most likely way that the lost fat left the body?
A) It was released as CO₂ and H₂O.
B) It was converted to heat and then released.
C) It was converted to ATP, which weighs much less than fat.
D) It was eliminated from the body as feces.

Question

Quizplus · Accepted Answer

When the body metabolizes fat, it breaks it down into carbon dioxide (CO₂) and water (H₂O), which are then eliminated from the body through breathing, sweating, and urinating. Therefore, the most likely way that the lost fat left the body is by being released as CO₂ and H₂O.

A Person on a Strict Diet and Exercise Regimen Lost