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Circulatory Level 1

All the vocabulary for Level 1 of the Circulatory system menu.

heart An organ made of cardiac muscle that acts as a pump to move blood around your body.
blood "The fluid that is pumped through the circulatory system
blood vessel The tubes that carry blood throughout the body.
vein Type of blood vessel that carries blood TOWARD the heart (or INTO the heart).
artery Type of blood vessel that carries blood AWAY FROM the heart (or OUT OF the heart).
cardiovascular Another name for the circulatory system (1st part means heart and 2nd part means 'fluids and vessels').
capillary "Microscopic blood vessels that are only one cell thick
white blood cell "Cells in blood that fight bacteria
red blood cell "Cells in blood that carry oxygen
plasma The liquid part of blood (mostly made up of water) that carries nutrients.
platelets Irregularly shaped blood cells that help blood to clot where there is a cut or injury. They stick together and dry up to form a scab.
ventricle The name of the 2 bottom chambers of the heart.
atrium The name of the 2 top chambers of the heart.
oxygen "A gas needed by our bodies for respiration
cardiac muscle The type of muscle that makes up the heart.
bone marrow "The jelly-like substance in the middle of bones
waste "Substances that your body no longer needs
nutrients "Necessary substances that are carried by the blood to all cells
Created by: OMSscience8