Question

Assertion (A): Human beings have an open blood vascular system.

Reason (R): Blood is contained in the heart and flows all throughout the body via three kinds of blood vessels - arteries, veins and capillaries.

Options

• A is True and R is False.

• A is False and R is True.

• Both A and R are True.

• Both A and R are False.

Answer 1

A is False and R is True.

Explanation:

Human beings have a closed circulatory system, so Assertion (A) is false. Blood does flow through the heart and blood vessels, arteries, veins and capillaries, so Reason (R) is true.