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?

The fat that used will undergo a series of metabolism. The final product of the metabolism should be H2O and CO2. Carbon dioxide is a gas so it was released by lung as it was diffuse from the blood into the alveoli. Water can be removed in many ways like kidney when forming urine or sweat glands.

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michell96 michell96 · Answer 2 · 2021-10-04T18:06:09+02:00

Fat is eliminated through respiration and urine.

The human body has two types of fat which are:

The essential, necessary for normal physiological functioning (around 3% in men and 12% in women)

The stored, energy reserve accumulates under the skin and around the internal organs.

The stored fat originates when we ingest more amount of fat than our body needs for its functions. Therefore, the body deposits it for later use. In short, fat is stored energy.

This must be eliminated with the caloric deficit, that is, consuming fewer calories (fat) than our body needs so that the remaining percentage is taken from the reserves.

Therefore, when a strict diet is followed, the consumption of fat and other foods is reduced and the amount of exercise and foods low in fat and high in fiber is increased.

Once this process occurs, the accumulated fat is metabolized by the liver and expelled by respiration and urine.

According to the above, the correct answer is urine and respiration.

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