Question

Label the parts numbered 1 to 3 in the given diagram and state their functions.

Answer 1

The labels are as follows:
1- Hair
2- Melanin
3- Sweat glands
These are the components present within various layers of the skin.
Functions of Hair:

1. It helps in distinguishing men and women.
2. Eyelashes and nasal hair prevents the entry of foreign particles.

Functions of melanin:

1. It is the pigment present in the skin which imparts color to skin and hair.
2. It plays a vital role in protecting the body from UV radiation which can cause immense damage skin cells.

Functions of sweat glands:

1. They help in regulating our body temperature.
2. It also helps in removing excess water, salts, and limited amounts of urea.