NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When athletes begin to exercise, their heart rates and respiration rates increase. At what level of organization does the human body coordinate these functions?
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at the tissue level
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at the organ level
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at the system level
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at the cellular level
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Explanation:
Detailed explanation-1: -Breathing rate increases to provide the body (exercising muscles) with oxygen at a higher rate. Heart rate increases to deliver the oxygen (and glucose) to the respiring muscles more efficiently.
Detailed explanation-2: -Endurance activities, often referred to as aerobic, increase your breathing and heart rates. These activities help keep you healthy, improve your fitness, and help you perform the tasks you need to do every day. Endurance exercises improve the health of your heart, lungs, and circulatory system.
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