Across
- 2. upper arm bone
- 6. provide a resting ground for muscles and protection of vital organs
- 7. thigh bone/upper leg bone
- 8. Blood vessels that carry blood towards/back to the heart
- 10. A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together.
- 12. muscle Involuntary muscle tissue found only in the heart.
- 14. cage protects the heart and lungs
- 15. Connect muscle to bone
- 16. vessels arteries, veins, capillaries
- 17. carry blood away from the heart
- 20. Large, flat muscle at the bottom of the chest cavity that helps with breathing
- 21. poor blood enters the heart from the body and goes out to the lungs
- 23. System enables movement of the body and internal organs
- 24. physical activity increases, what else increases? blood flow to the muscles to deliver oxygen
- 26. rich blood enters the heart from the lungs and goes out to the body
Down
- 1. Main organs of the respiratory system
- 2. A hollow, muscular organ that pumps blood throughout the body.
- 3. system Protects and supports body organs and provides a framework the muscles use to support movement. Made up of bones and joints
- 4. system Brings oxygen into the body. Gets rid of carbon dioxide.
- 5. Smallest blood vessels
- 9. system Transports oxygen, waste, nutrients, hormones, heat, etc... around the body
- 11. windpipe/takes gases to and from lungs
- 13. muscle A muscle that is attached to the bones of the skeleton and provides the force that moves the bones.
- 18. skull
- 19. muscle Involuntary muscle found inside many internal organs of the body
- 22. passages for air
- 25. Connect bone to bone