Respuesta :

Answer:

Because they all have a different purpose

Explanation:

The epidermis provides a waterproof barrier and creates our skin tone.

The dermis, the middke layer of skin , contains tough connective tissue, hair follicles, and sweat glands.

The  hypodermis is made of fat and connective tissue.

1-Epidermis, the top layer
2-Dermis,the middle layer
3-Hypodermis,the bottom or fatty layer