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Circulatory System
Circulatory System Vocabulary
| Term | Definition |
|---|---|
| Arteries | Blood vessels that carry blood away from the heart |
| Atrium/ Atria | The left and right upper chambers of the heart |
| Ventricle(s) | The left and right lower chambers of the heart |
| Capillaries | The smallest blood vessels where oxygen/nutrients are exchanged with body cells |
| Carbon Dioxide | A waste gas carried by the blood back to the lungs for exhalation |
| Oxygen | The gas that red blood cells deliver to the body's tissues |
| Plasma | The fluid part of blood that carries cells and nutrients |
| Platelets | Tiny blood components that help in clotting |
| Red Blood Cells | These cells carry oxygen from the lungs to the rest of the body |
| Veins | Blood vessels that return blood back to the heart |
| White Blood Cells | These cells help the body fight infections and diseases |