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respriation
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| Question | Answer |
|---|---|
| Respiratory System | group of organs working together to bring about the exchange of oxygen and carbon dioxide with the environment |
| pharynx | muscular tubelike structure located at the back of the mouth that connects the mount with the rest of the digestive tract |
| trachea | tube through which air passes form the pharynx to the lungs (windpipe) |
| larynx | structure at the top of the trachea that contains the vocal cords |
| vocal cords | elastic fold of tissue in the larynx that produces sound when exhaled air is passed by it causing it to vibrate |
| bronchus | ringed tube that branches from the trachea and enters each lung |
| bronchiole | one of the finest branches of the bronchial tubes that ends in an air sac |
| lung | organ of respiration specified for the exchange of gasses between the blood and the atmosphere |
| alveolus | air sac at the end of a bronchiole where gas exchange occurs |
| inhalation | action where air is pulled into the lungs |
| exhalation | action where air is pushed out of the lungs |
| diaphragm | large flat muscle involved in the mechanics of breathing that lies at the bottom of the rib cage |