BIO 111 Lecture Notes - Lecture 13: Calorimeter, Calorimetry, Cardiovascular Disease
24 Dec 2020
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Document Summary
Bmr- represents the minimal amount of calories expended in a fasting state. (energy it takes to be alive). 1. 0 kcal/kg for men, 0. 9 kcal/kg for women is used as an estimate. In reality we measure resting metabolic rate (rmr) Varies widely in individuals (2-70% of body weight) Desirable amount of body fat (in men 8-24%; in women 21-35% for fertility) Not only is the amount of fat important, but so is the distribution of fat in the body. Body mass index (bmi) to set healthy weight. Most closely related to body fat content. Bmi- body weight (in kg)/ height squared (in meters) Direct calorimetry- measures heat produced by the body. Indirect calorimetry- measures oxygen consumed and carbon dioxide expired. This relates to what type and how much nutrients are being used for energy. Upper body obesity (apple shape) (more with men) [android] More associated with cardiovascular disease, hypertension, and type 2 diabetes.
