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Circulatory Level 1
All the vocabulary for Level 1 of the Circulatory system menu.
Term | Definition |
---|---|
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 |