Across
- 2. The process of increasing in size.
- 4. The taking in and use of food by the body.
- 6. The physical process of eliminating waste.
Down
- 1. The production of infants.
- 3. The movement of air or gases in or out of the lungs.
- 5. Changing place or position of the body.
- 7. sensitivity to stimuli in their environment.
- 8. How living organisms respond to abnormal or