Structure of heart ?????
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Heart
The heart is divided into four chambers consisting of two atria and two ventricles; the atria receive blood, while the ventricles pump blood.
It is just similar as close fist .
It is divided by septum
Its outer layer is paracardium which help prevent shocks and friction.
It is responsible for pumping blood and distributing oxygen.
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→ANSWER:-
☆The heart is divided into four chambers consisting of two atria and two ventricles;
☆the atria receive blood, while the ventricles pump blood.
☆The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus;
☆blood then moves to the right ventricle where it is pumped to the lungs.
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