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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 |