Question

Which of the following shows the correct sequence of the movement of blood through the heart and lungs?
aorta -> left atrium -> left ventricle -> lungs -> right ventricle -> right atrium -> vena cave
aorta -> left atrium -> left ventricle -> right ventricle -> right atrium -> lungs -> vena cave
vena cave -> right atrium -> right ventricle -> left ventricle -> left atrium -> lungs -> aorta
vena cave -> right atrium -> right ventricle -> lungs -> left atrium -> left ventricle -> aorta

Answer 1

The correct sequence of movement of blood through the heart and lungs is:

**vena cava -> right atrium -> right ventricle -> lungs -> left atrium -> left ventricle -> aorta**

This means the correct option is:

**vena cave -> right atrium -> right ventricle -> lungs -> left atrium -> left ventricle -> aorta**