The normal range of basal metabolic rate does not exceed the normal average ()
A. ±5%~±10%
B. +10%~+15%
C. ±10%~±15%
D. ±20%~±30%
E. ±30%~±40%
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In a quiet state, the body's organs or tissues that produce the highest amount of heat are ()
A. Heart
Brain
C. Liver
D. Kidney
E. Skeletal muscle
At room temperature of 22 ℃, what is the main way for human body to dissipate heat ()
A. radiation
B. evaporation
C. convection
D. conduction
E. exhalation
What is the normal value of underarm temperature ()
A. 36.0℃~37.4℃
B. 36.7℃~37.7℃
C. 36.9℃~37.9℃
D. 37.5℃~37.6℃
E. 36.5℃~37.7℃
In hot environment (above 30 ℃), the main way to maintain body heat balance is through ()
A. Increase effective radiation area
B. Increase the temperature difference between skin and environment
C. Increased sympathetic tone
D. Sweating and increasing skin blood flow
E. Sweating and reducing skin blood flow