Explain how the
To review:
The effects of exercise, ambient temperature, and food assimilation on the metabolic rate.
Introduction:
Energy is essential to maintain constant expenditure of the living tissue. It can be obtained in two forms, either directly from the ATP (adenosine triphosphate) or indirectly by the cellular respiration of glucose, ketones, fatty acid as well as amino acids. Food is the source of these molecules, but the energy can also be obtained from glycogen, protein, or stored fat.
Explanation of Solution
Any change in body temperature affects the total metabolic rate. All the things the body does that turns food into energy and keep the body functioning is included in metabolism. A lot of energy is required by muscle cells for doing exercise. Hence, the metabolic rate increases while exercising.
The temperature of the body plays a significant role in the metabolic rate of the body. The hypothalamus has temperature-sensitive cells as well as the temperature centers that act on the instruments for change in body temperature. Any deviation in body temperature from the set point stimulates the hypothalamus to automatically correct the deviations and maintain the correct body temperature. The metabolic rate slows down in case the body temperature decreases.
The metabolic rate of a person is the total rate of the body’s metabolism. It can be measured in two forms, either via the amount of heat generated by the body or the consumption of oxygen by the body per minute. The food assimilation leads to an increased level of BMR or basal metabolic rate.
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Chapter 19 Solutions
HUMAN PHYSIOLOGY-ACCESS
- The preferred energy sources for the body are ________.arrow_forwardBasal metabolic rate is a measure of ______. a. the total amount of calories you burn in 24 hours b. the amount of food energy needed to sustain basic body operations c. the amount of energy burned by skeletal muscle in a given period d. both a and barrow_forwardHow is metabolic rate measured? Which factors influence the metabolic rate? What is the influence of BMR on body weight?arrow_forward
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