Across
- 2. Dutch scientist who first observed unicellular organisms
- 3. tissue with cells and fibers that move bones, pump blood, and push substances through the digestive system
- 6. a substance formed by the chemical combination of two or more elements
- 7. compounds that provide energy to cells
- 9. English scientist who first observed a cell
- 13. compounds that enable cells to build their own proteins
- 14. a group of organs working together
- 15. tissue containing the outer skin layer, and the lining of the cheeks and digestive system
- 16. German scientist who found all animals are made of cells
- 17. compounds that store and release more energy than carbohydrates
- 18. tissue that carries messages throughout the body
Down
- 1. Scottish scientist who discovered the cellular nucleus
- 4. tissue that includes bones, cartilage, and tendons
- 5. German scientist who found that all plants are made of cells
- 8. a pure substance that cannot be broken down into a simpler substance and is made of only one type of atom
- 10. a group of two or more types of tissue that work together to carry out one specific funtion
- 11. a group of similar cells that work together to perform the same function
- 12. basic unit of life and the smallest part of a living thing capable of life