which of the following describes a positive feedback loop?\nwhen blood sugar is low, the body sends hormones…

which of the following describes a positive feedback loop?\nwhen blood sugar is low, the body sends hormones that increase blood sugar.\nwhen the body senses that the heart rate is very high, it secretes hormones that decrease the heart rate.\nwhen someone is exercising intensely, the body sends hormones that increase oxygen supply for cellular respiration.\nwhen a pregnant woman begins to go into labor, the body sends hormones that increase the intensity of the labor contractions.

which of the following describes a positive feedback loop?\nwhen blood sugar is low, the body sends hormones that increase blood sugar.\nwhen the body senses that the heart rate is very high, it secretes hormones that decrease the heart rate.\nwhen someone is exercising intensely, the body sends hormones that increase oxygen supply for cellular respiration.\nwhen a pregnant woman begins to go into labor, the body sends hormones that increase the intensity of the labor contractions.

Answer

Brief Explanations:

Positive - feedback loops amplify a process. In labor, the release of hormones that increase labor - contraction intensity is an example as it drives the process forward. The other options are negative - feedback mechanisms that work to restore balance.

Answer:

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