Hormonal Control of Temperature


 
 
Concept Explanation
 

Hormonal Control of Temperature

Thhypothalamus acts on the pituitary gland to control body temperature through the action on another endocrine gland - the thyroid gland.

The hypothalamus receives information from temperature receptors in skin and form the internal receptors, including the hypothalamus itself.

If the hypothalamus detects a fall in body temperature, it produces a hormone that causes the pituitary gland to secrete more thyroid stimulating hormone(TSH). TSH stimulates the thyroid to release more of the hormone thyroxine. Thyroxine travels in the blood to all cells and causes the rate of metabolism in the cells to increase.

Increased metabolism generates more heat and warms the body. Producing the hormones that cause these changes takes time, and therefore the endocrine system does not  have immediate control over body temperature.

Sample Questions
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Question : 1

Which of the following gland is known as the master gland of endocrine system ?

Right Option : D
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Explanation
Question : 2

The disease that is caused by lack  of thyroxine  hormone is called as ___________________

Right Option : C
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Explanation
Question : 3

Which hormone helps to regulate the body temperature ?

Right Option : A
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Explanation
 
 
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