Question

2. Assetion (H) : The walls of ventricle
is thicker than the walls of the
auricles.
reason (R) : The ventricles have to
pump blood ito long distance and
various.
a. both A and R are true and R is the correct explanation of A
b. both A and R are true and R is not the correct explanation of A
c. A is true but R is false
d.A is false but R is true​

Answer 1

Answer: a) Both A and R are true and R is the correct explanation of A

Explanation:

The walls of ventricles are thicker than auricles because they have to pump blood with a high pressure so that it covers long distance and reaches all parts of the body.

Hope it helps!!!