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excretion system

Circulation notes

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EMI Huang: First third of NED CIRC NOTES 2009 Systole: Heart ventricles contract/chamber pump Diastole: Heart ventricles relax/chamber fills AIM: What are the parts of the heart and blood? William Harvey established direction of blood flow and elucidated difference between pulmo and systemic circulation. TYPES OF CIRCULATION: Pulmonary: travel of blood between heart and lungs Coronary: supplies blood to heart Renal: supplies blood to kidneys Hepatic portal: supplies liver with nutrients; receive oxygenated blood from the aorta HEART: CHAMBERS AND VALVES Atria: blood into upper chambers Ventricles: blood out of lower chambers. Valves/regulated one-way flow. A/V: Atria Ventricular S/L: Semilunar (Valves separate chambers, preventing blood from mixing)
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