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cir system
| Question | Answer |
|---|---|
| Blood | Is a tissue that is made up of cells,fluid, and other substance. |
| Blood vessels | The tubes, including arteries, veins and capillaries,through which the blood moves through the body |
| Heart | Is the organ that pumps the blood through the body. |
| Hemoglobin | Is the oxygen carrying pigment in the red blood cells of the blood. |
| Atrium | Is a chamber of the heart that receives blood from the body |
| Ventricle | Is one of the two large, muscular chambers that pump blood out of the heart. |
| Cardic pacemaker | Starts a signal. |
| Arteries | are blood vessels that carry blood away from heart to all parts of the body. |
| Veins | are blood vessels that carry blood from all parts of the body back to the heart. |
| Capillaries | are tiny blood vessels that connect arteries to veins. |
| Red blood | blood cell that carries oxygen to the body cells and that returns carbon dioxide to the lungs |
| White blood cells | are blood cells that protect the body from disease. |
| platelets | are cell fragments that cause blood to clot, which stops blood loss. |
| Septum | Membranous wall that divides two cavities |