Across
- 4. Hormone production and release
- 5. Gas exchange
- 7. Movement
- 9. Provides structure to body and protection for internal organs
- 10. Breaking down food into usable nutrients
- 11. Delivering O2 and nutrients
Down
- 1. Making offspring
- 2. Body’s defense system (also known as immune)
- 3. Physical barrier to the body for protection
- 6. Expelling wastes
- 8. Voluntary and involuntary movements