Across
- 4. controls hormones and metabolic processes.
- 7. needed for absorption of nutrients.
- 8. works with other defense systems to protect or bodies.
- 9. needed for oxygen and carbon dioxide exchange.
- 11. carry oxygen and nutrients throughout the body.
- 12. removal metabolic and digestive waste.
- 13. needed for movement and supports skeletal system.
Down
- 1. the pump and pathways of moving blood and nutrients.
- 2. first line of defense. Also, called skin.
- 3. produces gametes.
- 5. protects us from pathogens.
- 6. includes the brain, spinal cord and peripheral nerves
- 10. support system of the body.