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14 October, 03:37

Which of the following is not a negative feedback mechanism of homeostasis in controlling human body temperature (thermoregulation) ?

A. Shivering

B. Sweating

C. Insulin Secretion

D. Vasodilation

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Answers (1)
  1. 14 October, 05:39
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    D - vasodilation

    Vasodilation is the widening of the blood vessels, it results from relaxation of smooth muscle cell within the vessel walls. It's not an example of negative feedback mechanism

    Explanation:

    What is homeostasis

    It's a tendency of an organism or a cell to regulate it's internal environment and also maintain equilibrium using a system of feedback controls.

    There are two types of feedback mechanism

    We have both positive and negative feedback mechanism

    The negative feedback mechanisms in living things regulate critical body processes.

    Examples are : body sweating, body shivering, regulstion in sugar level.
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