Across
- 5. White blood cells produce these to attack pathogens
- 6. A group of cells working together
- 8. Controls the activities of the cell
- 9. The organ that pumps blood around the body
- 10. A group of organs working together (5,6)
- 11. Where chemical reactions take place in the cell
- 13. Hormones are carried around the body in the _____
- 15. Red blood cells carry this around the body
Down
- 1. Where are hormones produced?
- 2. Controls what goes in and out of the cell (4,8)
- 3. Pathogens can be viruses, fungi and _______
- 4. Blinking is an example of a _______ (6,6)
- 7. The basic building block of all living things
- 12. The medicine that kills bacteria
- 14. A group of tissue