ICSE /Class 8
Biology MCQ Based On Internal structure of heart
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ICSE Class 8 Biology Internal structure of heart
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Left and right ventricles are stronger pumps.
It is a wall of muscels.
The human heart has four chambers.
The upper chambers are the called atria and the lower chambers are called ventricles.
The heart is divided into chambers to separate the oxygenated and deoxygenated blood.
It is a wall of muscles that separates the left and right atria and the left and right ventricles.
The upper chambers are the called atria and the lower chambers are called ventricles.
The lower chamber is again divided into two parts, left and right.
Arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body.
The mean weight of the heart is 280-340 g in males and 230-280 g in females.
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