Across
- 7. removal of waste produced by chemicals
- 8. creation of new living things
- 9. a guess
- 10. release of energy for immediate use by cells
Down
- 1. a feature or quality of something
- 2. a change of position in response to surroundings
- 3. the air taken or expelled from your lungs
- 4. process of increasing in physical size
- 5. gives you strength for activities and movement
- 6. obtaining food necessary for health and growth