| A | B |
| larynx | structure to which vocal cords are attached |
| trachea | tube with cartilage, cilia and mucus membranes |
| bronchi | branches of the trachea |
| alveoli | clusters of thin-walled air sacs |
| diaphragm | muschle beneath lungs helps move air |
| emphysema | alveoli losheir ability to expand and contract |
| kidneys | major organs of urinary system |
| nephrons | filtering units of the kidneys |
| ureters | tubes that lead from each kidney to bladder |
| bladder | organ that hold urine till it leaves the body |
| epiglottis | prevents food from entering your trachea |