What are great blood vessels ?

________ are the blood vessels that carry blood away from the heart.

In Earthworm arrangment of blood vessels is

What are the layers of blood vessels?

What are the three types of blood vessels?

What is the labelled blood vessels A, B, C or D carries oxygenated blood ?

Observe the diagram and answer the questions What blood vessel is it?

Disease of heart and blood vessels: Cardiovascular disease: Deposition of cholesterol in the blood vessel: .................

What is blood clotting? State its significance. Why does the blood not clot inside the blood vessels of a normal person?