PATHOLOGY MCQ
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What happens to the respiratory rate when a person engages in physical activity?
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It stays the same
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It decreases
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It increases
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It becomes irregular
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Explanation:
Detailed explanation-1: -The heart pumps the oxygenated blood to the body. The more oxygen available, the more energy can be produced through glycolysis. When Page 4 exercising, the body needs more energy. Therefore, it needs more oxygen (increased breathing rate) delivered faster (increased heart rate).
There is 1 question to complete.