structure and functions of heart
Answers
the human heart is a four chambered muscle , shaped and sized roughly like your fist
the function of the heart is to pump the oxygenated blood to all parts of the body and pumping the deoxygenated blood to the lungs
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HUMAN HEART :
》Human Heart is mesodermal in origin.
》It is located in the thoracic cavity between the lungs.
》It is protected by pericardium which is a double walled membrane enclosing pericardial fluid.
》Our heart consists of four chambers - two upper chambers called atria and two lower chambers called ventricles.
》A thick walled septum called the inter-ventricular septum separates the left and right ventricles.
》A thin septum called inter-atrial septum separates right and left atria.
》Atrioventricular septum separates the atria and the ventricle of the same side.
》Bicuspid Valve regulates the opening between the left atrium and left ventricle.
》Tricuspid Valve regulates the opening between the right atrium and right ventricle.
FUNCTION :
● The function of Heart is to pump oxygenated blood to all the parts of our body and also to pump the deoxygenated blood from lungs to heart.