Describe Internal Structure of Heart in 100 words
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Describe the internal structure of human heart. The heart is divided into a right and left side by the septum. The heart has four chambers, two relatively small upper chambers called atria and two larger lower chambers called ventricles. The walls of the ventricles are relatively thicker than atrial walls.
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two atria and 2 ventrical found in heart
and SA node is found near right atria which generate impulse and two valvefound BTW both the atria and ventrical right will is biscuspid valve and left side wall is tricuspid valve after hurt coverd by cardiac muscle ......
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