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poizon [28]
2 years ago
6

Blood pressure is regulated using anegative feedback mechanism thattriggers a change in what?A. temperatureB. the concentration

of bloodC. the heart beatD. artery contractions
Biology
1 answer:
Oxana [17]2 years ago
6 0

When our bodies demand high blood input, our veins expand, since more blood flows through them to nurture our muscles. This, in turn demands more heat rate. The brain detects this increase in heart rate and it sends chemical messages to turn it down. So the correct option is C. the heart beat. The other options does not have a role with blood pleasure regulation, although they might influence its performance.

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