Across
- 5. system that gets rid of electrolytes and nitrogenous waste
- 6. what muscles are attatched to
- 8. this system breaks down food
- 10. system that produces offspring
- 11. digestive system eliminates what type of material
- 13. transports materials in body via blood
- 14. system that involves spinal cord and sensory receptors
Down
- 1. this substance gets removed from the body in the respiratory system
- 2. system that involves hair skin and nails
- 3. secretes regulatory glands
- 4. keeps blood supplied with oxygen
- 7. returns fluids to blood vessels
- 9. system that protects organs and gives your body structure
- 12. system that produces heat for your body