Which of the following is not an example of a homeostatic mechanism?

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1. Shivering when body temperature falls below normal limts
2. Increasing heart rate and contraction force when blood pressure falls
3. Pulling blankets over yourself when cold at night
4. Secreting insulin after a meal to decrease blood sugar concentration

Asked by Wyatt Williams, Last updated: Nov 10, 2024

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5 Answers

Sadie Lingham

Answered Jul 10, 2019

Pulling blanket over yourself when cold at night.

C. Perez, Writer, Writer, Cleveland

Answered Feb 26, 2019

The correct answer to this question is 3. While all of these choices are the body reacting to abnormal conditions, pulling blankets over yourself when it is cold at night is not an example of a homeostatic mechanism. Homeostatic mechanisms help to regulate the body including organs, glands, tissues, and cells.

These adjustments occur in order to keep the body at a steady state. The main homeostatic mechanisms are body fluid composition, blood sugar, body temperature, blood pressure, and gas concentrations. Shivering is the body's way of trying to get the body temperature back up to homeostasis.

Increasing heart rate is how the body controls its blood pressure. The secretion of insulin is the body's way of controllling blood sugar.