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vlabodo [156]
3 years ago
8

The following events are part of a negative-feedback mechanism. I. blood pressure increase II. receptors detect a low blood pres

sure III. control center compares actual pressure with the set point IV. the heart beats faster Choose the arrangement that lists the event in the order they occur.
Biology
1 answer:
Crazy boy [7]3 years ago
6 0

Answer:

II, III, IV, I

Explanation:

Blood pressure regulation is an example of negative feedback mechanism. When the blood pressure is low, sensor in the blood vessels called baroreceptors detect this and send a signal to the control center which is the hypothalamus.

The hypothalamus compares the current blood pressure with the normal and proceeds to send signals to the heart, as well as blood vessels and kidneys. The heart begins to beat faster, thereby increasing the heart rate and a a result, blood pressure goes back up to normal.

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