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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 |