Q. Write The Physiology Of Heart ?
Ans :-
• The Heart is highly muscular organ whose muscles are called as cardiac muscles.
• The are unique because they are not found in anywhere else in the body.
• It collect blood from the anterior and posterior part of body into the right atrium which is distributed to the lungs for respiration by the right ventricles .
• While The Happening -
The Blood from lungs receive right ventricle
• Both the activities of receiving and pumping out of blood depending upon rhythmic contraction and relaxation of heart.
• A contraction is called as systole .
• A relaxation is called a diastole .
• Both Systole And Diastole Are part of heart beat .
• During diastole the blood from the superior vena cava and inferior vena cava is drawn into the right atrium and simultaneously from the pulmonary arteries into the left atrium.
• The blood that comes into the right atrium is deoxygenated while left atrium receives oxygenated blood from the lungs.
•The Blood from the left atrium is passed into left ventricle through bicuspid valve
• The separate set of valve prevent the back flow of blood the pulmonary arch and aortic arch .
