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thecirculatorysystem
| Question | Answer |
|---|---|
| what is the circulatory system | The human transport system of blood |
| why do we need the circulatory system | To carry blood around our body |
| what does the circulatory system consist of | blood, blood vessels, and the heart |
| What does blood consist of | red blood cells, white blood cells, platlets, plazma |
| what are the functions of blood | transport, defence against disease, keep body temperature constant. |
| what is the function of plazma | transports dissolved substances & carries heat |
| what is the function of red blood cells | carry oxygen to cells |
| what is the function of white blood cells | fight disease |
| what is the function of platlets | clot the blood |
| what is the normal body temperature | 37 degrees celcius |
| what does the blood travel in | arteries, veins, capillaries. |
| what is the function of valves | stop the back flow of blood |
| what is a capillarie | link the arteries and veins |
| what is the function of a capillary | give the cells oxygen and take backcarbon dioxide |