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5 Circulatory
5th Grade Circulatory System
| Question | Answer |
|---|---|
| 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 |