Across
- 3. the process by which solid waste passes from the digestive system out of the body
- 5. thin-walled inelastic blood vessel
- 6. the smallest blood vessel
- 11. produce urine by filtering waste and excess water from the blood
- 12. controls all body activity
Down
- 1. the process by which food is broken down into nutrients
- 2. air sacs in the lungs where gas exchange occurs
- 4. thick-walled elastic blood vessel
- 7. the process by which food taken into the body
- 8. the process by which nutrients pass from the digestive system to the blood
- 9. cleans the blood and stores vitamins and minerals
- 10. muscular organ that drives the circulatory system