mfl physiology i
Post on 11-Dec-2015
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Cardiovascular System
Physiology I
Overview• Major Function of the heart
– To Pump Blood to every capillary in the body
• Major Function of the Vessels– As a pathway for the blood to pass
• Major Function of the blood– To distributr oxygen and nutrition to every cell in the body
• Bottom Line: The Main Cardiac Function is to ensure that every cell in your body is well oxygenized and nutritionized
Cardiac Cycle
Defintion:“Is a term referring to all or any events related to the flow or blood pressure that occurs from the beginning of one heartbeat to the beginning of the next.”1
Cardiac Cycle =1 Systole + 1 Diastole
Cardiac Cycle
1. Early Diastole2. Atrial Systole3. Isovolumic Ventricular Contraction4. Ventricular Ejection5. Isovolumic Ventricular Relaxation
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