Question

Blood vessels like arteries, veins and capillaries are found in

• A. open circulatory system
• B. closed circulatory system
• C. both a and c
• D. none of the above

Answer 1

The correct option is B closed circulatory system

In open circulatory system, the blood is pumped out of the heart and the cells and tissues are directly bathed in it. There is no blood vessel.

In closed circulatory system, the blood is circulated through a series of blood vessels of varying diameters such as arteries, veins and capillaries.