| A | B |
|---|
| heart | the organ that pumps blood through the body |
| lungs | the organs that control the movement of air into and out of the body |
| RBCs | carry oxygen to the cells |
| WBCs | cell that destroys pathogens in the blood |
| platelets | helps the blood clot (close wounds) |
| plasma | the liquid part of the blood |
| alveoli | small air sacs in the lungs |
| bronchi | the trachea branches into these |
| larynx | the opening into the trachea, contains vocal cords |
| pharynx | passageway from the mouth to the trachea and esophogus |
| trachea | leads to the lungs |
| type O | the universal donor (gives to all) |
| type AB | the universal receiver (can get all) |
| antigens | chemicals on the outside of the RBCs that indicate type |
| antibodies | chemicals that recognize pathogens to destroy them |
| atria | the chambers into which blood enters the heart |
| ventricles | the chambers from which blood leaves the heart |
| systemic circulation | blood moving between the body and the heart |
| pulmonary circulation | blood moving to the lungs and back to the heart |
| atherosclerosis | a disease where alveoli lose their ability to expand and contract |
| asthma | a condition where bronchial tubes swell b/c of irritants in the air |
| SARS | a viral condition resulting in loss of lung function |
| respiratory system | primary function is to bring in oxygen |
| cellular respiration | releasing energy within cells using oxygen |
| breathing | bringing air into and out of the body |
| respiration | exchanging oxygen and carbon dioxide with the environment |
| spleen | largest lymphatic organ, filters out defective cells |
| tonsils | back of the throat, fight infection |
| lymph nodes | along vessels, fight infection |
| thymus | creates T cells to fight infection |
| hypertension | high blood pressure |
| artery | carries blood from the heart |
| vein | carries blood to the heart |
| capillaries | where oxygen is exchanged for carbon dioxide |
