HUMAN NUTRITION

NUTRITION

THE HUMAN BODY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?
A
an increase in heart rate
B
an increase in body temperature
C
an increase in oxygen demand
D
an increase in breathing rate
Explanation: 

Detailed explanation-1: -Your body can cool itself by sweating. When sweat evaporates, it lowers your temperature. Your body can also lower the temperature by sending more blood to your skin and to your arms, legs, and head. This lets more heat can escape.

Detailed explanation-2: -Why does Lucy’s respiration rate MOST likely increase at the higher elevation? The lower density air requires her to breathe more often to get the oxygen she needs.

There is 1 question to complete.