Across
- 3. carries oxygen from lungs to other parts of body
- 4. most dangerous skin cancer
- 5. connects senses to the brain
- 6. long and elastic cells
- 9. the control center of the cell
Down
- 1. basic building blocks of all things
- 2. carry out certain jobs in cell
- 6. join together to make organelles
- 7. jointogether to make an organism
- 8. have similar functions that join together to make an organ