| A | B |
|---|
| Cardiovascular System | The body system that consists of the heart, blood vessels and blood. |
| Pacemaker | Located in the right atrium, sends out signals that regulate the heartbeat rate. |
| Septum | Thick wall of tissue that separates the heart into right and left sides. |
| Atrium | Two upper chambers of the heart (Collecting Chambers) |
| Ventricle | Two lower chambers of the heart. (Pumping Chambers) |
| Vena Cava | Ven that brings blood back to the heart from the body. |
| Aorta | Largest blood vessel, artery, in the body. |
| Artery | Blood vessels that carry blood AWAY from the heart. |
| Capillary | Microscopic, one cell thick, vessels that connect veins and arteries. (Swiss Cheese) |
| Vein | Blood vessels that carry blood toward the heart. (Valves) |
| Blood Pressure | The force that blood exerts on the artery walls. |
| Pulse | Waves of changing blood pressure, tells you how quickly your heart is beating. |
| Pulmonary | Lung |
| Hemoglobin | An iron-containing protein that binds to oxygen and makes blood red. |
| Lymphatic System | Systm that collects and returns leaked fluid back to the circulatory system. |
| Antigens | A protein on the surface of red blood cells that like only similar blood types. (LIKE) |
| Antibodies | A protein, in the blood, that detects and kills foreign or different proteins. (KILL) |
