CVS_BLOOD - A natomy & Physiology I I Cardiovascular...

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Cardiovascular System BLOOD COMPONETS OF THE CVS: Blood Heart Arteries- away from the heart Veins- to the heart Capillaries- gas exchange FUNCTION 1. Transport hormones, gases, oxygen, carbon dioxide; waste products, carbon dioxide; nutrients, proteins, glucose; ions, sodium, potassium; heat 2. Protection white blood cells, t-cells, antibodies, clotting (platelets) 3. Regulation temperature, pH, blood volume, osmolarity in/of blood BASIC CHARACTERISTIC - pH 7.35-7.45 slightly basic - high viscosity more thicker than water - temperature 38 degrees Celsius (100.4 degrees Fahrenheit) - 4-6 Liters 4 more in female, 6 more in male COMPONETS - Plasma (liquid part) - Formed elements o Erythrocytes red blood cells
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o Platelets o Leukocytes white blood cells Granulocytes Neutrophilis Eosinophilis Basophilis Agranulocytes (don’t stain as good as granulocytes) Lymphocytes Monocytes HEMATOCRIT (packed cell volume) - Percentage of total blood volume occupied by RBC’s - Erythropoietin men have more o Hormone (which is stimulated by testosterone) o Stimulates RBC production o Anemia (low hematocrit) low red blood cells o Polycythemia (high hematocrit) high red blood cells MAIN PLASMA PROTEINS 1. Albumins transport protein 2. Globulins antibodies a. Immunoglobulins 3. Fibrinogen important in blood clotting
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HEMATOPOIESIS (production of RBC’s) - Process by which RBC’s, WBC’s and platelets develops - Pluripotent stem cells
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CVS_BLOOD - A natomy & Physiology I I Cardiovascular...

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