Cells & Body Systems Crossword

4. the diffusion of water through a selectively permeable membrane
9. made of more than one cell
11. foot like projections on an amoeba used for movement and capturing food
12. Transport system reaching every cell in the body
14. substance created by the body to carry out chemical digestion
15. Breaks down the food you eat into small parts to be absorbed and transported through your body
17. removes chemical and gaseous wastes from the body
20. Specialized cells of the nervous system that receive and transmit information
21. hair like extensions that protrude from the surface of some unicellular organisms and from some in multicellular organisms
22. finger like projections on the cells that line the villi
23. is a living thing
24. small finger like projections on the inner surface of the small intestine that absorbs nutrients
25. coordinates and controls all organs and organ systems

1. protects body's internal environment from the external environment
2. any change in an organism's environment
3. made of just one cell
5. provides a mobile support frame for the body and protects soft tissue organs
6. tiny blood vessel that connect arteries to veins
7. parts of an organism that perform a specific tasks
8. group of similar cells working together to preform a specific function
10. supplies blood with oxygen from the outside air and removes carbon dioxide from your blood
13. structures in cells that preform a certain function
16. moves bones and moves organs that contain muscle tissue
18. purpose or task
19. the movement of particles from an area of higher concentration to an area of lower concentration