Chapter 13-Support and Movement
Across
- 2. found in the central cavity of many bones
- 3. essential nutrient our skin produces when exposed to sunlight
- 5. this is caused by sunlight and an increase of melanin
- 7. biceps and triceps are this type of muscle
- 9. the outermost layer of the skin
- 12. muscle you cannot control
- 13. skeletal muscles usually work in ________
- 15. changes to bone at the growth plate
- 18. in the lining of these is where you would find smooth muscle
- 20. pigment responsible for much of the color of human skin
Down
- 1. hard white tissue covering a bone that forms new bone tissue
- 4. connective tissues that connect muscles to bones
- 6. striated, involuntary muscle in the heart
- 8. type of tissue that lines external & internal surfaces of the body
- 10. this layer of skin that contains blood vessels, nerves, hair follicles
- 11. the elbow is this type of joint
- 14. when your triceps contract, your bicep __________
- 16. this layer is made up of fat cells and fibers
- 17. the bones forming most joints are held together by these
- 19. this system would best describe the human skeleton