Question

Please answer fast it is urgent plzzzzz​

Answer 1

3:-aurical systole-ventrical diastole-aurical diastole -ventical systole.

4:-3--B

1--C

2--A

blood->pulmonary artery ->right atria->right ventrical->lungs->pulmonary veins ->left atrium ->left ventricle ->body parts.

double type of circulation

Answer 2

Answer:

hi.. anna

Explanation:

ela unnav.......

I am back after many days.........