NFS284H1 Study Guide - Comprehensive Final Guide: Energy Density, Metabolic Waste, Peristalsis
1 Dec 2016
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The cell de-differentiates stop functioning as their own cells and just become rapidly growing (proliferative) cells: they do(cid:374)"t respo(cid:374)d to (cid:374)or(cid:373)al signals that cells have. Basal metabolism - energy required to keep vital organs working. Typically expressed as a rate (kcal / time) Neat - energy expended through unconscious exercise (ie. fidgeting and moving around) Tef - when we consume food we expend energy in the process. Positive energy balance - obesity side of the equation. Carb and protein are minor contributors to body fat. Doubly labelled water - can be used without equipment. Participants can go about daily lives and still get a measurement. When you"re young you have more lean tissue. These two individuals are the same weight but the older person has a higher percentage of body fat. The location of fat in the body is important. Visceral fat - storing fat in the centre of the body.
