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Which of the following is an example of the interaction between the circulatory and respiratory organ systems in a human?

A.
The pancreas produces a rush of insulin when a child eats a lollipop.
B.
The toe of a standing woman hurts when a rock falls on it.
C.
The heart of a running man beats faster than the heart of a resting man.
D.
The nutrients in food are mechanically broken down in the stomach.

User Tscherg
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2 Answers

2 votes

The correct answer is C. because when you run, your heart beats really fast and you breathe harder than when you rest.

User Adam Mitz
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5 votes

The answer is C. (The heart of a running man beats faster than the heart of a resting man

User Elza
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