Bones, Muscles and Skin
Science

Dermis explained in an easy to understand way.
Dermis
The second layer of skin that contains blood vessels, nerves, sweat glands, and hair follicles. Dermis. The dermis is the skin layer that supports and nourishes the outer layer while housing important structures like hair follicles and sweat glands.

Integumentary system explained in an easy to understand way.
Integumentary system
The system, including the skin, that separates the body from the outside environment. Integumentary system. The integumentary system is the body's first line of defense, protecting it from harm and helping regulate temperature.