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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 |