Across
- 1. made of strong connective tissue
- 3. a pigment that colors the skin
- 5. produces most of your blood cells
- 9. a group of similar cells that work together and perform a specific function
- 11. carries out photosynthesis and captures energy from the sun and changes it to a form energy cells can use in making food
- 13. this technology revealed cells and led to the cell theory
- 14. a total of 26 small bones
- 15. directed by your nervous system but often involve other body systems
- 16. the cells nucleus divides into new nuclei and one set of DNA is distributed into each daughter cell
- 18. the first stage of the cell cycle
- 19. a small round structure in the nucleus
Down
- 2. where new cells form in the skin
- 4. a system that includes the sweat glands and oil glands
- 6. a condition that causes the spaces in bones to become larger
- 7. stores water in the plant cell
- 8. tissue that is in your ears and the tip of your nose
- 10. contains substances that break down large food molecules into smaller food molecules
- 11. completes the process of cell division
- 12. the smalles unit of an element
- 17. the process in which molecules move from an area of higher concentration to an area of lower concentration
