Question

1. which of these shows the correct pathway through the hearts four chambers after it enters from the vena cava? right ventricle -> left ventricle -> right atrium -> left atrium left ventricle -> right atrium -> left ventricle -> left atrium right atrium -> right ventricle -> left atrium -> left ventricle

Explanation:

Blood from vena cava enters right atrium, then goes to right ventricle, then to lungs, comes back to left atrium and then to left ventricle.

Answer:

right atrium -> right ventricle -> left atrium -> left ventricle