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Cardiovascular I

Chapters 14/15

Structures of the Cardiovascular System Blood,Heart,Blood Vessels
Blood Vessels include: Capillaries, Veins, Arteries
Capillaries Are the site of diffusion of nutrients, respiratory gases, and waste
Veins blood vessels that transport blood TOWARD the heart
Arteries Blood vessels that transport blood AWAY from the heart.
Function of the Cardiovascular system Transportation of nutrients, ions, hormones and waste materials.
Blood is: A connective tissue
What is the liquid portion of blood plasma
What are formed elements? blood cells
Blood cells account for what percentage of a sample? 45%
Plasma accounts for what percent of a sample? 55%
Blood plasma consists of what? Water, proteins, glucose, amino acid, electrolytes, and nutrients.
What are the types of plasma proteins? Fibrinagen, Globulin, and Albumin
Fibrinagen An inactive protein that is converted to active fibrin during coagulation.
Fibrin is what fibrinagen is converted to during coagulation
Globulin transport various substances in the blood
Function in immunity as antibodies Globulin
Albumin transports proteins that affect osmotic balance of the blood plasma
Categories of Blood Cells
Erythrocytes Red blood cells that live apx 120 days
What type of blood cell is apx 5,00,000 per mm3 Erythrocytes
Type of blood cell that lacks a nucleus when mature Red blood Cell
RBC contain what? Hemoglobin
Hemoglobin A complex protein that transports CO2 and O2
What type of cell is removed by the spleen or liver after 120 days? Red blood cells
Are Capillaries or RBCs 75mm in length? Both
Thrombocytes Platelets
Approximately 130,000-360,000 per mm3 Thrombocytes (Platelets)
Platelets Are cellular fragments
Platelets function in? hemostasis
What is hemostasis? The stoppage of bleeding
Created by: alesha945



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