Hematology PPT

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Blood pressure • The lowest pressure occurs just before the ventricles contract again and is called diastolic pressure. Mercury column Rubber cuff Air control valve Bulb Systemic blood pressure (mm Hg) 120 100 80 60 40 20 0 Aorta Diastolic pressure Large arteries Blood Pressure Systolic pressure Small arteries Arterioles Distance from left ventricle Capillaries Venules Small veins Large veins Vena cavae
Control of the heart • A portion of the brain called the medulla oblongata regulates the rate of the pacemaker, speeding or slowing its nerve impulses. • If the heart beats too fast, sensory cells in arteries near the heart become stretched. Cerebellum Cerebrum Skull Medulla oblongata
Page 1 and 2: Your Blood: Fluid Transport • You
Page 3 and 4: Red blood cells: Oxygen carriers
Page 5 and 6: Red blood cells: Oxygen carriers
Page 7 and 8: White blood cells: Infection fighte
Page 9 and 10: ABO Blood Groups • Whenever blood
Page 11 and 12: Rh factor • Another characteristi
Page 13 and 14: Rh factor • Mother makes anti- Rh
Page 15 and 16: Your Blood Vessels: Pathways of Cir
Page 23 and 24: Your Heart: The Vital Pump Click im
Page 25 and 26: Your Heart: The Vital Pump • All
Page 27 and 28: Blood’s path through the heart
Page 29 and 30: Heartbeat regulation Sinoatrial nod
Page 31 and 32: Heartbeat regulation Click image to
Page 33: Blood pressure • The high pressur

Hematology PPT

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