Unit 2- intro to cells
Across
- 4. System that gets oxygen into the body
- 5. System that includes the bones in the body
- 8. Made of many cells.
- 11. A part of an organism that performs a specific job (like the heart).
- 13. amount of senses our body has
- 15. The smallest unit of life.
- 16. system that breaks down food into substances the body can use
- 19. gel like fluid that keeps the organelles in place
- 20. A large collection of different organs working together.
- 22. organelle that provides storage for water and materials
- 23. system that regulates body activities by producing chemical messengers
- 24. stable conditions inside the body
Down
- 1. A group of similar cells working together.
- 2. Converts sunlight into energy in plant cells.
- 3. system that transports needed substances throughout the body
- 6. System that includes the muscles that help you move
- 7. Structure that controls what enters and leaves the cell.
- 9. The control center of the cell.
- 10. Made of only one cell.
- 11. A single living thing.
- 12. system that controls and coordinates your body's activities
- 14. The 'powerhouse' of the cell; makes energy.
- 15. Found only in plant cells; provides structure and support.
- 17. A structure within a cell that performs a specific function.
- 18. system that fights off infections
- 21. system that removes waste