Question

Identify the CORRECT statement.

Options

• Capillaries are thick walled having stratified squamous epithelium.

• Capillaries are involved in exchange of materials.

• Capillaries are blood vessels through which blood flows under low pressure.

• Capillaries are blood vessels that lack fenestrae.

Answer 1

Capillaries are involved in exchange of materials.

Explanation:

Blood capillaries are made up of a single layer of squamous epithelium and have a thin wall. Through capillaries, blood flows at a high pressure. Fenestrae grow on a wall of capillaries.