NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sheila ran around a track four times. She felt the need to breathe harder and faster. What were her muscles requiring?
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more carbon dioxide
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more nitrogen
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more oxygen
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more water
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Explanation:
Detailed explanation-1: -The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body.
Detailed explanation-2: -The sympathetic nervous system directs the body’s rapid involuntary response to dangerous or stressful situations. A flash flood of hormones boosts the body’s alertness and heart rate, sending extra blood to the muscles.
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