Across
- 4. The ____ reproductive system nourishes a developing fetus
- 6. This system gets rid of the bodies waste
- 8. The nervous system produces ____ messages
- 11. This disease affects cell function because body cells stop them from taking glucose from the blood
- 13. Body systems, also called ____ ____
- 14. A lack of ____ harms many body systems and may cause disease
- 15. Body systems ____ organs
- 16. Even though ____ may look different on the outside, on the inside they are very similar to humans
- 19. These cells swim
- 20. These cells have long thin branches
- 22. This system helps the body get rid of viruses
- 26. This system sends electrical messages
- 28. ____ of organs work together to form body systems
- 29. This system allows movement of body parts
Down
- 1. The ____ ____ ____ of cells relate to their function
- 2. Many body systems work ____
- 3. This is part of the muscular system
- 5. This is one way body systems communicate, by ____ messages
- 7. This system helps deliver nutrients to the body
- 9. The endocrine system releases ____
- 10. The ____ reproductive system delivers sperm
- 12. Living organisms need to use ____ t run their bodies and move
- 17. This system acts as a barrier
- 18. This system is made up of cartilage
- 21. This system influences growth
- 23. This is the maintenance of a constant internal environment when outside conditions change
- 24. When the body cannot maintain homeostasis it is easier for ____ to invade the body
- 25. This is the outer layer of the skin
- 27. This system gets rid of carbon dioxide from the body