cheerthi16
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PLEASE HELP ASAP!! DUE TODAY!! 15 POINTS FOR BRAINLIEST
Which THREE of the following are examples of feedback mechanisms which help maintain homeostasis?

A. flageller rotation for cell movement
B. proton pumping to maintain a proper pH level
C. protein synthesis
D. insulin secretion in response to high blood sugar
E. antibodies binding to a virus
F. increased heart rate in response to exercise

Place the events of a feedback mechanism associated with body temperature in the correct order.
1. body returned to normal temperature around 98.6 degrees F
2. Body temperature exceeds 98.6 degrees F
3. sweat glands throughout the body activate to cool off skin surface
4. temperatures regulation center in the brain sends out signals
5. nerve cells send message from skin to the brain

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms
A. low blood sugar
B. normal body temperature in an arctic environment
C. light physical activity
D. normal body temperature in a tropical environment

Respuesta :

bc160402048

1- The following are the examples of mechanisms which help maintain homeostasis:

  • Increase heart rate in response to exercise.
  • Insulin secretion in response to high blood sugar.
  • Antibodies binding to virus.

2- Correct order is as follows:

  • Body temperature exceeds 98.6 degrees F
  • nerve cells send message from skin to the brain
  • temperatures regulation center in the brain sends out signals
  • sweat glands throughout the body activate to cool off skin surface
  • body returned to normal temperature around 98.6 degrees F

3- Low blood sugar would likely a stimulus that would cause the body to initiate feedback mechanisms. Because If blood glucose gets too low, the body releases glucagon, which causes the release of glucose from some of the body’s cells. And this is an example of feedback mechanism.