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Respiration and Ex.
| Question | Answer |
|---|---|
| pharynx | tube-like passageway for both food and air |
| larynx | structure to which vocal chords are attached |
| trachea | tube with cartilage, mucous membranes, and cilia |
| bronchi | branches of the trachea |
| alveoli | clusters of thin-walled air sacs in the lungs |
| diaphragm | muscle under lungs that helps air move in and out |
| urinary system | system made up of excretory organs |
| kidneys | major organs of the urinary system |
| nephrons | filtering units of the kidneys |
| urine | waste fluid that is excreted from the body |
| bladder | organ that holds urine until it is excreted |
| ureters | tubes that lead from each kidney to the bladder |
| urethra | tube that leads to the outside of the body |
| list four diseases of the respiratory system | chronic bronchitis; emphysema; lung cancer; asthma |
| list the five major excretory organs | lungs, liver, skin, large intestine, kidneys |
| inhaling | diaphragm contracts, rib cage moves up |
| exhaling | diaphragm relaxes, rib cage moves down |