| A | B |
| The process by which a body obtains and uses Oxygen an eliminates Carbon Dioxide | Respiration |
| The bronchioles end in tiny air sacs called | Aveoli |
| A sheet of muscle below the lungs that separates the chest cavity from the abdomen | Diaphram |
| The main pump of the circulatory system | Heart |
| A liquid tissue containing blood cells in suspenion | Blood |
| The tubes through which blood flows to and from different parts of an animial | Blood Vessels |
| The yellowish liquid in which blood cells are suspended | Plasma |
| The most numerous cells in the body | Red Blood Cells |
| Cells that help the body fight disease | White Blood Cells |
| Formed from pieces of cytoplasm that break off of large cells in the bone marrow | Platelets |