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Circulatory System
Unit 8 Human Body
Term | Definition |
---|---|
Heart | organ that pumps blood throughout the body |
Artery | blood vessel that carries blood AWAY from the heart |
Vein | blood vessel that carries blood BACK TO the heart |
Aorta | The largest artery in the body |
Blood | carries oxygen and carbon dioxide through the body |
Atria | the receiving chambers of the heart |
Ventricle | the chamber that pumps blood out of the heart |
Capillary | the smallest kind of blood vessel |
Red Blood Cells | carries oxygen to parts of the body |
White Blood Cells | protects the body against foreign substances |