CONTRACTION AND RELAXATION OF CARDIAC FIBRES
CONTRACTION AND RELAXATION OF CARDIAC FIBRES Heart, the driving force. The constant and steady contraction and relaxation of the cardiac muscle is what ensures the continuum of life. The heart is essentially responsible for provision of nutritional products from food to cellular level. This is executed by ensuring perfusion of all the organs of the body with blood which is made possible by the seemingly inexhaustible contractions of the heart muscle.https://payforessay.net/buy-essay With every beat, the heart pumps blood into the circulation. Each beat is followed…