1. When the heart contracts, the right ventricle will pump the deoxygenated blood into the lungs, where the carbon dioxide is exchanged for oxygen.

2. After the exchange, the deoxygenated blood flows into the left atrium

3. When the heart contracts, the left ventricle will force the oxygenated blood out to the body through aorta.

4. The heart receives deoxygenated blood from the body into the right atrium.


7. Which of the ff. is the correct flow of the blood from the different parts of the body back to the heart?

Please ayusin po ang answer,, please.