Across
- 3. System that regulates behavior and maintain home ostasis
- 5. Similar cells that work together
- 6. System defends against germs and diseases
- 7. System of the lungs, nose, mouth and trachea
- 8. A group of tissues that work together
- 9. System that protects and supports the human body
- 11. System includes ovaries, uterus and testes
- 13. Smallest unit of an organism
- 14. Parts that work together as a whole
Down
- 1. System protects against injury, infections, fluid loss and helps regulate the body temperature
- 2. System used to break down food and absorb nutrients
- 4. System that transport nutrients and gases
- 10. System to help you move
- 12. System that removes waste