Across
- 3. system: collects and eliminates wastes from the body and regulates the level of fluid in the body.
- 4. tube by which the urine leaves the bladder
- 6. when waste products are filtered from the blood as it passes through the kidneys and produces this liquid.
- 7. circular muscles that control the release of urine.
- 8. tube by which the waste leaves the kidneys and drain into the bladder.
Down
- 1. muscular sac that hold urine until the urine is excreted and can expand and contract like a balloon.
- 2. networks of capillaries and small tubes, or tubules, where filtration of blood occurs. There are about one million nephrons.
- 5. bean-shaped organ that filters, or removes, wastes from the blood.