Across
- 2. Release of energy from food
- 5. Breaking food down
- 7. Removal of undigested food
- 10. Absorption and circulation of materials
- 12. Study of living things/life
Down
- 1. Stability of internal environment
- 3. All activities required to keep an organism alive
- 4. Taking in Food
- 6. Obtaining and processing food
- 8. Increase in size
- 9. Coordination and control of life activities
- 11. Removal of metabolic waste