Please can anyone help me out in this whole definition actually I can't understand it

Capillaries are tiny branched blood vessels that joins the arteries to the veins

Explanation:

Capillaries are found in the junctions between arteries and veins in the tissues.

They have the following functions:

- They have tiny walls and are tiny enough to penetrate to all parts of the body

- The thin walls help them diffuse oxygen, nutrients and waste products between cells and the blood.

sorry can't read, cuz too small the words.

Explanation: