Across
- 1. Uses enzymes to break down food
- 4. This system also eliminates waste from the body (unusable remains from the food you eat)
- 6. The specific site of external respiration
- 8. Carries blood toward the heart
- 9. site of breathing
- 11. This system brings in oxygen to the body and removes waste through gas exchange (carbon dioxide)
- 12. helps fight disease
- 14. the windpipe
Down
- 2. pathway that food moves through from ingestion to defecation
- 3. When you swallow
- 5. This system transports needed substances throughout your body and carries away waste
- 6. Carries oxygenated blood away from the heart
- 7. This system eliminates cellular waste that has been filtered from the bloodstream
- 10. Filters through nephrons and removes liquid waste to form urine
- 13. Largest organ, rids your body of water and salts when you sweat