Structure of the skin iGCSE

Front

What is the outermost layer of the skin called?

Back

Epidermis

Front

What is the primary function of the epidermis?

Back

To provide a protective barrier against environmental damage.

Front

Identify the structure that stores fat in the skin.

Back

Subcutaneous layer (or hypodermis).

Front

What are the main components of the dermis?

Back

Connective tissue, blood vessels, hair follicles, and glands.

Front

What is the role of blood vessels in the skin?

Back

To supply nutrients and oxygen, and to help regulate temperature.

Front

What structure is responsible for hair growth?

Back

Hair root.

Front

What is the function of sebaceous glands in the skin?

Back

To produce oil (sebum) that lubricates the skin and hair.

Front

What is the significance of the subcutaneous layer?

Back

It provides insulation, shock absorption, and stores energy.

Front

How does the skin contribute to thermoregulation?

Back

By adjusting blood flow and sweating.

Front

What is the role of melanocytes in the skin?

Back

To produce melanin, which gives skin its color and protects against UV radiation.