Answered

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Which of the following is an example of a positive feedback mechanism?

A. During childbirth, the baby's head pushing on the cervix encourages uterine contractions.
B. Insulin causes cells to absorb glucose.
C. The kidneys retain more water if the organism's water level is low.
D. Body temperature is increased if skeletal muscles move quickly and cause a person to shiver.

Sagot :

GinnyAnsweridn

Final answer:

Positive feedback loops amplify events while negative feedback loops maintain stability.


Explanation:

A. A person feels satiated after eating a large meal - Negative feedback loop.

B. The blood has plenty of red blood cells - Positive feedback loop.

Positive feedback loops amplify or increase the occurrence of events, such as in the example of childbirth where contractions lead to more contractions. On the other hand, negative feedback loops work to maintain stability and reduce the occurrence of events, like feeling satiated after eating a meal.


Learn more about Feedback Mechanisms here:

https://brainly.com/question/38046438


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