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Circulatory System
Circulatory System Vocab Words
| Question | Answer |
|---|---|
| Heart | The organ that pumps the blood through the body. |
| Blood | A tissue that is made up of cells, fluid, and other substances. |
| Blood Vessels | Tubes that transport blood and nutrients to other parts of the body. |
| Hemiglobin | The oxygen carrying pigment in the red blood cells of the blood. |
| Atrium | A chamber of the heart that receives blood from the body. |
| Ventricle | One of two large, muscular chambers that pump blood out of the heart. |
| Cardiac Pacemaker | A group of cells at the top of the right atrium which starts a signal. |
| Arteries | Blood vessels that carry blood away from the heart to all parts of the body. |
| Veins | Blood vessels that carry blood from all parts of the body back to the heart. |
| Capillaries | Tiny blood vessels that connect arteries to veins. |
| Red Blood Cells | Full of hemoglobin and carry oxygen to the body. Also return carbon dioxide to the lungs. |
| White Blood Cells | BLood cells that protect the body from disease. |
| Platelets | Cell fragments that cause blood to clot, which stops blood loss. |
| Septum | A wall, dividing a cavity or structure into smaller ones. |