Question

The diagrams given below show the cross section of two kinds of blood vessels:
(d) Name the blood vessels that
(1) begins and ends in capillaries.
(2) supplies blood to the walls of the heart.

Answer 1

• A vein that starts from capillaries and ends in capillaries is called a portal vein.
• The blood vessel which supplies blood to the walls of the heart is coronary arteries.