Question

List any few qualities of the heart

Answer 1

Answer:

1. heart pumps blood to all parts of blood.
2. it has four chambers.
3. it is covered by a membrane

Answer 2

The heart is a muscular organ which is as big as our fist.Because both oxygen and carbon dioxide have to be transported by the blood,the heart has different channels to prevent the oxygen-rich blood from mixing with the blood containing carbon dioxide.

°The different chambers of heart are :

*Right atrium

*Left atrium

*Right ventricle

*Left ventricle

°Aorta is the largest artery in our body. The aorta begins at the top of the left ventricle.

°Vena cava is the largest vein that bcarry deoxygenated blood from the lower and middle of the body into the right atrium

•Valves are use to avoid the backward flow of blood when atria and ventricle contracts

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