Across
- 4. Tissue that supports, connects, and protects other body structures
- 8. The outer layer of the skin
- 9. The brown pigment that determines human skin color
- 10. An area of bone made of cartilage that divides in order for bone to grow
- 13. The tough, white tissue that covers bone
- 14. The body system that includes skin, hair, and nails
- 17. Very hard bone made of circular layers
- 18. The body formed by bones
Down
- 1. Hard and rigid bone with empty spaces throughout
- 2. A structure that holds cells that divide to produce hair growth
- 3. Tissue that contracts either to move the body or to move substances through the body
- 5. A type of connective tissue that is softer and more flexible than bone
- 6. The material at the center of bones that produce blood cells
- 7. Tissue that receives sand transmits electrochemical impulses to coordinate the functions of the body
- 11. The second layer of skin
- 12. Tissue that lines external and internal surfaces of the body
- 13. The study of how organs and structures function
- 15. The study of the organs and structures of the body
- 16. A small opening in the epidermis that releases oil onto the skin surface