Body Composition: Understanding Fat and Lean Tissues

Fat-free mass (lean tissues) and total body fat.

Subcutaneous fat is located just beneath the skin, while visceral fat is located around internal organs.

Essential fat and adipose tissue.

<p>Adipose cells remove excess fat from the bloodstream for storage.</p> Signup and view all the answers

<p>The size of each cell expands.</p> Signup and view all the answers

<p>The body wastes energy as heat (thermogenesis).</p> Signup and view all the answers

<p>Because essential fat is vital for survival.</p> Signup and view all the answers

<p>It interferes with normal cell function and contributes to inflammation.</p> Signup and view all the answers

<p>Releasing fat for other cells to use as fuel when the body needs energy.</p> Signup and view all the answers

<p>The body eventually loses weight.</p> Signup and view all the answers

<p>Secreting hormones and other substances that regulate food intake, glucose metabolism, and immune responses.</p> Signup and view all the answers

<p>Insulating the body against cold temperatures and protecting muscles and bones from bumps and bruises.</p> Signup and view all the answers

<p>It is unevenly distributed, especially in the abdominal area, thighs, and buttocks.</p> Signup and view all the answers

<p>The omentum, a structure under the abdominal muscles and hanging over the intestines.</p> Signup and view all the answers

<p>Type 2 diabetes and cardiovascular disease (CVD).</p> Signup and view all the answers

<p>To predict the risk of obesity-related diseases.</p> Signup and view all the answers

<p>Lean tissue is denser than water; fat tissue is not as dense as water.</p> Signup and view all the answers

<p>To scan the entire body and assess body composition.</p> Signup and view all the answers

<p>The principle that water and electrolytes conduct electricity, whereas fat tissue resists the flow of electricity due to lower water and electrolyte content.</p> Signup and view all the answers

<p>The equipment is very expensive and not widely available outside of clinical settings.</p> Signup and view all the answers

<p>The technique may underestimate total body fat when used on overfat subjects.</p> Signup and view all the answers

<p>Percentages of body fat can be used to develop weight classifications for adults, indicating if an individual is overweight or not.</p> Signup and view all the answers

<p>Dehydration results in an overestimation of total body fat.</p> Signup and view all the answers

<p>To estimate total body fat content by measuring the depth of subcutaneous fat at each site.</p> Signup and view all the answers

<p>It provides highly accurate estimates of body fat content.</p> Signup and view all the answers

<p>Women need the extra fat for hormonal and reproductive purposes.</p> Signup and view all the answers

<p>Scientific data about the machine’s accuracy is lacking.</p> Signup and view all the answers

<p>Too much adipose tissue, especially visceral fat, can interfere with the body’s ability to function normally.</p> Signup and view all the answers

<p>23-31%</p> Signup and view all the answers

<p>The extra fat may provide an energy reserve for a very ill person who cannot eat, and the extra padding of fat may protect a person from being injured by falling.</p> Signup and view all the answers

<p>Obese</p> Signup and view all the answers

<p>43% or more</p> Signup and view all the answers

<p>To avoid health problems, as excessive body fat contributes to various health issues.</p> Signup and view all the answers

<p>Food and Nutrition Board, National Institute of Health: Dietary Reference Intakes for energy, carbohydrate, fiber, fat, fatty acids, cholesterol, protein, and amino acids (macronutrients).</p> Signup and view all the answers