| A | B |
|---|
| kidneys | the organs that filter the blood and remove wastes |
| excretory system | the system that removes waste products from the blood |
| nephrons | structures in the kidneys that do the filtering |
| ureters | tubes that channel urine down to the bladder |
| filtration | removing wastes from the blood |
| reabsorption | takes place in the loop of henle |
| urethra | the tube that allows urine to exit the body |
| bladder | the storage tank for urine |
| lungs | the organs that forces carbon dioxide out of the organism |
| kidney stones | structures that can form in the kidneys when minerals begin to crystalize |
| kidney failure | kidneys can no longer clean the blood; requires dialysis (temporary fix) or kidney transplant (permanent fix) |
| collecting ducts | tubes where urine get sent to the center of the kidney before entering the ureters |
