| Question |
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| Answer |
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| cardiac muscle |
heart |
| carry blood away from the heart |
arteries |
| carry blood to the heart |
veins |
| smallest blood vessels, allow the exchange of gases and nutrients betwen the blood an cells and are located between arteries and veins. |
capillaries |
| carry oxygen |
red blood cells |
| fight infection |
white blood cells |
| created by white blood cells to fight pathogens |
antibodies |
| help the blood to clot |
platelets |
| mineral which helps give red blood cells their color |
iron |
| a blood clot on your skin |
scab |
| upper chamber of the heart |
atrium |
| lower chamber of the heart |
ventricle |
| upper chambers of the heart |
atria |
| little doorlike flap |
valve |
| the continuous flow of blood around the body |
circulation |
| heart, blood, arteries, capillaries, and veins |
circulatory system |
| the largest artery in the body |
aorta |
| expanding of the arteries after each heartbeat |
pulse |
| two large veins which enter the heart |
vena cava |
| 55% of blood, pale yellowish liquid, contains nutrients and water |
plasma |
| the process that keeps us from bleeding to death when we are cut. |
blood clotting |
| protein which gives the blood its red color |
hemoglobin |
| two large vessels that take oxygenated blood back to the heart so it can be pumped to the body. |
pulmonary vein |