Across
- 3. A group of similar cells that work together to perform a specific function.
- 7. The process of making something look bigger than it is, often using lenses.
- 11. The smallest unit of life. They are often specialised to perform a specific function.
- 13. A group of different tissues that work together to perform a specific function.
- 14. Organisms made up of only one cell.
- 15. The piece of glass used to view objects under a microscope.
- 16. A blood cell that carries oxygen around the body.
- 17. Sac in the cytoplasm of plant cells containing a watery liquid that keeps the cell firm.
- 19. A type of unicellular organism. Many can be found in the human gut.
- 20. Liquid, mainly water, making up most of the cell, in which chemical reactions happen.
- 22. Flexible outer layer surrounding the cell, which controls which substances can enter and leave the cell (4,8).
Down
- 1. A type of blood cells that protects the body from infections.
- 2. A type of unicellular organism that has plant and animal-like features.
- 4. A tail-like structure that allows cells to move. They can be found in sperm cells and bacteria.
- 5. Infectious particles that are the cause of many diseases - including COVID-19! They are not alive!
- 6. A piece of scientific equipment used to view very small objects (5,10).
- 7. Organelles in the cytoplasm where energy is released from glucose from food by a process called respiration.
- 8. Structures found inside cells that have specific functions. "little organs"
- 9. Organelles found in cells of green parts of plants (leaves and stems). They contain a green pigment called chlorophyll, where photosynthesis occurs.
- 10. The scientific word for a living thing.
- 12. Contains the genetic material (DNA) of the organism and controls the cell’s activities.
- 18. The movement of particles from an area of high concentration to an area of low concentration.
- 20. A tough outer layer of plant cells, which contains cellulose to provide strength and support to the plant (4,4).
- 21. A group of different organs that work together to perform a specific function (5,6).