Unit 1

2. A complete living thing.
5. A solution of sugars in water that serves as food for a plant cell.
6. Short extensions of a neuron’s cytoplasm.
8. Cell membrane is … , whereas the cell wall is thick.
9. The environment essential for all the chemical reactions happening inside a cell.
11. Another word for wide.
12. The largest part of a plant cell that stores sap.
16. The … system includes mouth, esophagus, stomach, and intestines.
18. Short hairs used for moving mucus.
19. A group of similar cells that do the same job.
20. This kind of animal cells transfers electrical signals from brain to muscles.
21. Flowers, bushes, and trees are … .
22. A sticky substance that traps dust and bacteria when we breath in air.
25. A long extension of a neuron’s cytoplasm.
26. Your body’s chemical “factory”.
27. This part of a cell controls its activities.

1. The type of a plant cell that is found in leaves.
3. blood cells These cells carry oxygen around our body.
4. Place in both plant and animal cells where the energy is released.
7. Animal cells don’t have this type of organelles.
9. Made of cellulose and is used for protection of plant cells.
10. The job that someone or something does.
13. Tubes inside your body that break down food.
14. Cell membrane can be easily bent. What’s one word that describes this quality?
15. Heart, lungs, and stomach are … .
17. Fuel for every process in a living organism.
18. It controls what goes in and out of the cell.
23. A specialized plant cell that soaks up water from the soil.
24. An … cell has no cell wall.
28. Another word for tough.