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week 11 2012
science vocab week 11
| Question | Answer |
|---|---|
| Circulatory system | transports blood, delivers essential substances,and removes waste. |
| Valve | prevents the back flow of blood. |
| Arteries | blood vessels that Carrie blood from the heart |
| Capillaries | smallest blood vessels where exchange of materials with cells occur. |
| Veins | blood vessels that carry blood twords the heart. |
| blood | circulating tissue made of plasma, cells ,and platelets. |
| Plasma | fluid part of the blood. |
| Red blood cells | transports oxygen to your cells. |
| White blood cells | immune cells that destroy invaders |
| blood pressure | measure of the force of blood pushing against the walls of arteries. |
| Pulse | heart beats for a certain amount of time |
| Right atrium | collects de-oxygenated blood from the body |
| Right ventricle | pumps de-oxygenated blood into the lungs. |
| Left atrium | collects oxygenated blood from the lungs. |
| Left ventrical | pumps oxygenated blood throughout the body. |