A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
Sweat glands produced from stratum germinativum, plays an important role in the regulation of body temperature. When the body temperature rises too much, the sweat glands are stimulated to take up water from blood vessels and to pour out their secretion on the general surface of the skin. Evaporation of sweat from the body surface uses up latent heat of vaporization from the skin, thus the extra heat of the body is used up and the body cools down reducing the temperature.
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