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mg- circ/resp
| Question | Answer |
|---|---|
| smallest vessels | capillaries |
| carries unoxygenated blood back to the heart | veins |
| carries o2 to the body | arteries |
| Rooms in the heart. | chambers |
| doors in the heart | valves |
| seperates the lt and rt side of the heart | septum |
| lines the chambers | endocardium |
| lines the outside of the heart | pericardium |
| muscle part of the heart | myocardium |
| artery in the heart that carries unoxygenated blood to the lungs | pulmonary artery |
| vein that carries oxygenated blood back to the heart | pulmonary veins |
| vessel that carries blood to all parts of body | aorta |
| the lower rooms of the heart | ventricles |
| the upper rooms of the heart | atrium |
| MI- Myocardial Infarction | heart attack |
| chest pain | Angina |
| lung infection | pneumonia |
| URI | common cold |
| allergy that causes wheezing | asthma |
| wind pipe | trachea |
| voice box | larynx |
| throat | pharynx |
| flap that keeps food from entering the wind pipe | epiglottis |
| air sacs | alveoli |
| branches into a tree | brochial tree |
| muscle needed to breathe | diaphram |
| amount of O2 in the atmosphere | 20% |
| the exchange of gasses in the cells | cellular respiration |
| The nose is used as a ______________/ | filter |