KINE 3012 Lecture Notes - Lecture 18: Myocyte, Arteriole, Cardiac Muscle
3 Dec 2013
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Document Summary
Unique feature for left ventricle; stop flow resultant from ventricle contraction, only seen within the left ventricle because right ventricle doesn"t generate much pressure, right ventricle pumps 8mmhg. Myocytes depolarize *characteristics of a heart disease*, part of the heart doesn"t contract even when receiving the contraction signal. If your aorta is at 150mmhg, then you left ventricle needs to exert that amount of force in order to maintain the oxygen requirement. Infarction permanent cause damages to ventricles, myocytes dies and irreplaceable, permanent region within the myocardium that the heart can"t produce the same strength. How blood is distributed to different part of the bodies. Arterial are the largest drop in blood pressure. Arterioles control the flow of blood into particular organs. Arterioles have ability to control their diameters which control resistance of flow into that particular circulation. The blood will seek other low resistance pathways. Large dilation of the arterials during exercise.
