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Cardiovascular I
Chapters 14/15
Question | Answer |
---|---|
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 |