| A | B |
|---|
| Fluid that carries gases, nutrients and wastes through the body. | Blood |
| Heart, blood and blood vessels make up this body system. | Cardiovascular system |
| Leaked fluid from the blood. | Lymph |
| Group of organs and tissues that collect the fluid that leaks from blood and returns it to the blood. | Lymphatic system |
| Small, bean-shaped organs that remove pathogens and dead cells from lymph. | Lymph nodes |
| Infection-fighting blood cells. | White blood cells |
| Where lymph nodes are concentrated. | Armpits, neck and groin |
| Pump that sends blood around the body. | Heart |
| Upper chamber of heart. | Atrium |
| Lower chamber of heart. | Ventricle |
| Flaplike structures in the heart to prevent blood from going backward. | Valves |
| Receives oxygen-rich blood from the lungs. | Left Atrium |
| Receives oxygen-poor blood from the body. | Right atrium |
| Pumps oygen-poor blood to the lungs. | Right ventricle |
| Pumps oxygen-rich blood to the body. | Left ventricle |
| Blood vessel that carries blood away from the heart. | Artery |
| Blood vessel that carries blood back to the heart. | Vein |
| A tiny blood vessel that allows exchanges between body cells and the blood. | Capillary |
| Fluid part of the blood containing water, minerals, nutrients and other substances. | Plasma |
| Tiny pieces of larger cells that clump together to form a plug when the body is cut. | Platelets |
| Disk-shaped cells that do not have a nucleus and bring oxygen to every cell in the body. | Red blood cells |
| Flow of blood between the heart and lungs. | Pulmonary circulation |
| Flow of blood between the heart and the rest of the body. | Systemic circulation |
| Blood type that is the universal donor. | Blood type O |
| Blood type that is the universal recipient. | Blood type AB |
