Answers HSBIO Biology Sem 1 26-27 Cell Homeostasis — Unit testQuestion 13

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QuizMultiple Choice

Cell Homeostasis — Unit test

Question 13 of 15 • [HSBIO] Biology, Sem 1 (26-27)

Which of the following describes a positive feedback loop?

Answer

A

When blood sugar is low, the body sends hormones that increase blood sugar.

B

When the body senses that the heart rate is very high, it secretes hormones that decrease the heart rate.

C

When someone is exercising intensely, the body sends hormones that increase oxygen supply for cellular respiration.

D

When a pregnant woman begins to go into labor, the body sends hormones that increase the intensity of the labor contractions.

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