Health Sciences 1001A/B Lecture Notes - Lecture 4: Subcutaneous Tissue, Abdominal Wall, Energy Economics
23 Oct 2018
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Document Summary
Human body divided into fat-free mass and body fat. Fat-free mass composed of all the body"s soft tissues (bone, muscle, water, connective tissue, organ tissues, and teeth) 1 kg body fat = 7k calories. Percent body fat = the percentage of total body weight that is composed of fat. Subcutaneous fat accumulation = normal physiological buffer for excess energy intake. When its storage capacity is exceeded, fat starts to accumulate in other places of the body. Makes up 80% of all body fat. Embedded within the mesentery (which is tissue that connects the intestines to the back of the abdominal wall) surrounding the abdominal organs. Excess visceral fat linked to cardiovascular and other diseases. Accounts for 10-20% of total fat in males, and 5-8% in women, and amount increases w/ age for both sexes. Located on or within organs, such as the liver, heart, and brain. Increases the risk for metabolic syndrome, heart disease, and stroke.
