Question

6. Human heart has dve chambers, an atrium and a ventricle
7. Partition between the chambers of heart avoid mixing up of blood rich in eigen with the blood
in carbon dioxide
8. Stethoscope is a device to amplify the sound of the heart
9. Rhythmic beating of the various chambers of the heart maintain circulation of how to the different
parts of the body
10. When blood reaches the two kidneys, it contains only harmful substances.

Answer 1

Answer:

Explanation:

The left atrium and right atrium are the two upper chambers of the heart. The left atrium receives oxygenated blood from the lungs. The right atrium receives deoxygenated blood returning from other parts of the body. Valves connect the atria to the ventricles, the lower chambers.