Question

1. Explain the terms: i. Vasodilation ii. Piloerection
2. Differentiate : i. Sebaceous gland and Sweat gland (function)
: ii. Meibomian glands and Ceruminous glands (location)

Answer 1

Answer:

VASODILATION

Explanation:

When the body temperature is too high hypothalamus sends signals to the capillaries that supply blood to the skin to dilate (vasodilation)

Answer 2

★ Answer :

i.) Vasodilation :

• Vasodilation is the widening of blood vessels which inc.rease blood flow in a region.

ii.)Piloerection

• Erectíon of the hair of the skin due to contraction of the tiny arrectores pilorum muscles that elevate the hair follicles above the rest of the skin and move the hair vertically, so the hair seems to 'stand on end.

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i.) Sebaceous gland :

• The Main functions of the Sebaceous gland is lubrication.

Sweat gland :

• The main funtions of the sweat glands is to control the temperature and exertion.

ii.) Refer To Attachment.

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