Question

The wall of capillaries is​

Answer 1

Answer:

The walls of capillaries are made up of a thin cell layer called endothelium that's surrounded by another thin layer called a basement membrane. ... This allows oxygen and other molecules to reach your body's cells with greater ease.

Answer 2

Answer:

The walls of capillaries are made up of a thin cell layer called endothelium that’s surrounded by another thin layer called a basement membrane.