Across
- 3. These carry electrochemical message throughout the body
- 6. Specialized cells that make up connective tissue
- 7. The structure that turns sound into nervous impulses
- 10. Also known as skeletal muscle it appears to have layers
- 12. Moving a part of the body away from the midline
- 13. Veins contain these to help blood return to the heart
- 15. The most active part of the circulatory system where exchange of material takes place
- 16. Tissue found covering the ends of the bone to reduce friction and protect the bone
- 20. Longest vein in the body
- 21. A structue that is farther away from the midline of the body than another structure
- 22. Blood cells that contain hemoglobin to carry oxygen
- 24. The part of the eye that does most of the focusing
Down
- 1. The most active layer of the skin
- 2. A structue that is closer to the midline of the body than another structure
- 4. The presure produced by the contraction of the ventricle
- 5. The only liquid tissue in the body
- 6. Tough cartilage found between the vertebrae
- 8. Cartilage producing cells
- 9. This is the medical term for a heart attack
- 10. Made up of flat plate like cellsl that form a protective covering
- 11. This makes up the myocardium and contains intercalated disks
- 14. The method of monitoring the electrical activity of the heart
- 17. The structure that turns light into nervous impluses
- 18. Part of the immune system - white blood cell
- 19. Cells that help grow new bone
- 23. Cells that remove bone