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vocabulary
| Term | Definition |
|---|---|
| Alveoli; | tiny thin-walled structure where gas exchange occurs in the lungs. |
| Nephron (s); | individual filtering unit of the kidney that removes wastes from the blood. |
| Deoxygenated; | poor oxygen blood carried through veins except for the pulmonary veins. |
| Oxygenated; | rich oxygen blood carried through the arteries except for the pulmonary arteries. |
| Valve(s); | flap of tissue that prevents blood from flowing backward into a blood vessel or heart chamber. |
| Septum; | a partition that separates the two upper chambers of the heart. |
| Artery; | Thick wall blood vessel that transports blood away from the heart. |
| Vein(s) | thin, elastic, walls and have valves return blood to heart. ( large blood vessels that carries blood from the rest of the body to the heart.) |
| Capillary ; | tiny, thin walls, Diffusion. |
| Ventricle(s); | large chamber in the heart that receives blood from an atrium and pumps blood to the rest of the body. |
| Atrium (atria); | small chamber in the human heart that receives blood from the veins. |
| Pulse; | is a high and low pressure that can be found in the arteries when the left ventricle contracts and relaxes. |
| Lymphocyte(s); | white blood cell that plays a role in an immune response ( B cell and T cell) |
| Antibody; | protein produced by B cells that helps destroys pathogens. |
| Plasma; | ( liquid 55% of the blood) clear yellowish fluid about 90% water that suspends cells in the blood. |
| Immunity (passive/active); | active immunity is when the body produces its own antibodies, passive immunity is when the antibody is given to a person from blood or other body fluid. |
| Platelets; | ;( it helps to CLOT the blood) cell fragment that is produced in the bone narrow and is important for blood clotting. |
| Antigen; | foreign substance that brings about an immune response. |
| Agglutination; | is the process that occurs if an antigen is mixed with its corresponding antibody. |
| Pathogen; | agent that causes diseases. |
| Vena cava; | is the largest vein of the body. |
| Aorta; | is the largest artery of the body. |
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