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Heart Words 2
| Term | Definition |
|---|---|
| greathearted | generous, courageous, heroic |
| circulatory system | a body system made up of the heart, blood vessels, and blood |
| chamber | a room |
| atrium | one of the top two chambers of the heart that receives blood from veins |
| ventricle | one of the two bottom chambers of the heart that receives blood from the atrium and sends it out of the heart through an artery |
| valve | one-way "doors" that keep blood traveling in the right direction |
| blood vessel | a tube in which blood travels throughout the body |
| vein | a blood vessel that carries blood toward the heart |
| systemic circuit | one of three parts of the body's circulatory system - this circuit carries blood throughout the body and returns it to the heart |
| artery | a blood vessel that carries blood away from the heart |
| circuit | a line, route, or movement that starts and finishes at the same place |