Slide 1Slide 2Slide 3Cardiovascular SystemSlide 5Slide 6Slide 7Slide 8INTERCALATED DISKSSlide 10Slide 11Slide 12Slide 13Slide 14Slide 15PHASES OF THE RESTING ECGSlide 17Slide 18Slide 19Slide 20Slide 21Slide 22Slide 23Slide 24Slide 25CORONARY CIRCULATIONCORONARY ARTERIESCoronary Artery DiseaseSlide 29THE BLOODRed Blood CellsHematocritSlide 33Slide 34Slide 35Blood PressureKINESIOLOGYCARDIOVASCULAR ANATOMY AND FUNCTIONMajor Cardiovascular Functions Delivery Removal Transport Maintenance PreventionAfter blood has left the lungs, which chamber of the heart does it enter?Where does the left ventricle pump blood to?Which chamber of the heart does blood return to that has been through the systemic system?BLOOD FLOW THROUGH THE HEARTCardiovascular SystemPulmonary CircuitTo the lungs and backSystemic CircuitTo the rest of the body and backTHE HEARTTHE CHAMBERS OF THE HEART The atria are smaller than the ventricles Why is the left ventricle thicker than the right ventricle?INTERCALATED DISKSWhat are intercalated disks and what is their function?THE INTRINSIC CONDUCTION SYSTEMTHE INTRINSIC CONDUCTION SYSTEM•What is the function of the SA node?•What is the function of the AV node? •The AV bundle (bundle of His)?•Bundle branches: right and left?•Purkinje fibers?Electrocardiogram (ECG) Depolarization and Repolarization. What are they? The P wave? The QRS complex? The T wave? Electrical activity of the heart increases during bothPHASES OF THE RESTING ECGAtrial repolarizationPHASES OF THE RESTING ECGP QRSCONTROL OF THE HEART Parasympathetic Nervous System. Sympathetic Nervous System. Epinephrine and norepinephrine.CARDIAC TERMS•Heart Rate (40 million beats per year)•Bradycardia•Tachycardia•Stroke Volume•Cardiac Output (1,400 gallons a day)•Cardiac Cycle (next slide)CARDIAC CYCLE Events that occur between two consecutive heartbeats (systole to systole) Diastole? Systole?THE VASCULAR SYSTEM Arteries Arterioles Capillaries Venules Veins100,000 miles of blood vesselsARTERIESARTERIOLESCAPILLARIESVEINSCORONARY CIRCULATIONCORONARY ARTERIES•Right Anterior Descending Artery•Left Anterior Descending Artery•Circumflex ArteryCoronary Artery DiseaseCoronary Artery DiseaseTHE BLOODRed Blood CellsHematocritBlood PressureRed Blood CellsHemaglobinHematocritBlood Pressure What is a normal systolic blood pressure reading? What is a normal diastolic blood pressure reading? Systolic and Diastolic. What’s the difference?Blood PressureBlood
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