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Life Processes
(i) Draw the diagram of heart and label its four chambers.
(ii) Construct a table to show the functions of these four chambers.
(i)
Cross-section of human heart
|
S. No. |
Name of chamber |
Function |
|
1. |
Left Atrium |
Receives oxygenated blood from lungs through pulmonary vein and pours it into left ventricle. |
|
2. |
Right Atrium |
Receives deoxygenated blood from various body parts through vena cava and pours it into right ventricle. |
|
3. |
Left Ventricle |
Pumps oxygenated blood to various parts of body through aorta. |
|
4. |
Right Ventricle |
Pumps deoxygenated blood into lungs through pulmonary artery. |
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Why are life processes needed?
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