| A | B |
|---|
| antibodies | a protein produced by a B cell of the immune system that destroys pathogens. |
| bronchi | passages that direct air into the lungs |
| cardiovascular system | system that consists of the heart, blood vessels, and blood. |
| cholesterol | sterol found in blood and most body tissues |
| diaphragm | large dome shaped muscle that plays an important role in breathing |
| epiglottis | flap of tissue that seals off the windpipe and prevent food from entering |
| excretory | process by which wastes are removed from the body |
| fibrin | an insoluble portein formed from fibrinigen in blood clotting |
| functions | a role, activity, or purpose |
| hemoglobin | iron containing protein that binds chemically to oxygen molecules;make up most of red blood celss |
| homeostasis | the process by which an organims internal environment is kept stable in spite of changes in the external environment |
