Body composition

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In physical fitness, body composition refers to quantifying the different components (or "compartments") of a human body.^[1] The selection of compartments varies by model but may include fat, bone, water, and muscle.^[2] Two people of the same gender, height, and body weight may have completely different body types as a consequence of having different body compositions. This may be explained by a person having low or high body fat, dense muscles, or big bones.^[3]