Biological processes grade 7
Across
- 3. oral secretions occurs here
- 6. An organ that does not belong to the digestive system
- 7. part of the respiratory system
- 9. these are formed by the union of organs
Down
- 1. A human system
- 2. the respiratory system and digestive system are common structures
- 3. food is pushed into the stomach
- 4. the structural unit of life
- 5. cells come together to form these
- 8. transports food in a plant