Question

How does our skin provides protection to our body against the following?
Entry of germs
Excessive loss of heat in severe cold
Entry of harmful ultra voilet rays

Answer 1

our skin contains melanin.... which is absorbent of light and helps to protect our body from the entry of harmful ultraviolet rays and germs

Answer 2

Answer:

Explanation:

1. Adipose tissue present in the subcutaneous tissue prevents heat loss form the body during excessive cold.

2. Sebaceous glands present on skin secrete an oily or wax-like secretion called sebum which keeps the skin oily and thus prevents the entry of germs inside the body.

3. Our skin contains a pigment called melanin which prevents us from exposure to ultra-violet rays.