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science vocbulary
Question | Answer |
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blood | liquid inside the human body that: delivers oxygen, nutrients and otherchemicals to all parts of the bodycarries off waste from all parts of the bodyfights against infectionsworks to regulate body temperature |
arteries | blood vessels that carry blood away from the heart to different parts of the body |
veins | blood vessels that carry blood from zdifferent parts of the body to the heart |
capillaries | tiny blood vessels that deliver blood to the cells and contact arteries and veins |
blood vessels | small tube-like sturtures (arteries, veins and capillaries) that allow blood to travel throughout the body |
red blood cells | (RBC"S) pick up oxygen in the lungs, deliver it to other blood cells and carry away waste |
white blood cells | (WHB's) fight infection any carry off dead blood cells |
plasma | the yellowish liquid river in which blood cells flow |
germs | viruses and bacteria that get into the bloodstream |
platelets | brownish-yellowish bits of cells that work to form clots and reduce blood flow at the scene of a cut or a wound |
fiberinogen | this substance forms a net at the site of a cut so the platelets stick together and stop the blood flow |
hematolgy | the study of blood |
heart | muscle that pumps the blood throughout the body |