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circulatory cards
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| Question | Answer |
|---|---|
| Circulatory System | group of organs that transport blood to all the body cells |
| heart | hollow muscular organ that contracts at regular inverts forcing blood though the circulatory system |
| atrium | chamber of the heart that receives incoming blood |
| ventricle | muscular chamber that pumps blood out of the heart |
| vena cava | large blood vessel that brings blood from all parts of the body except the lungs to the heart |
| artery | tough flexible blood vessel that carries blood away from the heart to the tissue of the body |
| aorta | large artery in mammals that carries oxygen rich blood from the left ventricle of the heart to all parts of the body except the lungs |
| capillary | small thin walled blood vessel that allows materials to diffuse between the blood and the tissue |
| blood pressure | measure of the force that blood exerts against a vessel wall |
| blood | fluid medium of transport of the circulatory system |
| plasma | liquid portion of the blood that contains water dissolved fats salts sugars and proteins |
| red blood cell | blood cell produced in bone marrow and filled with hemoglobin to transport oxygen in humans they lack a nucleus (also called erythrocytes) |
| white blood cell | blood cell produced in bone marrow that protects the body against invasion by foreign cells or substances |