Across
- 2. Plant cell organelle needed for photosynthesis
- 6. Tissues work together to make an ______
- 8. Simple cell with no true nucleus
- 10. Complex cell with a nucleus and organelles
- 11. Toothpaste-like fluid inside every cell
- 14. System responsible for making hormones
- 15. Organelle responsible for making proteins
Down
- 1. Discovered that all animals are made of cells
- 3. Maintaining internal conditions for survival
- 4. System includes smooth, cardiac, and skeletal
- 5. Named cells after looking through a microscope
- 7. System that controls all the others; includes brain
- 9. Similar cells combine to build ______
- 12. The largest organ of the human body
- 13. Cells are the smallest unit of ______