Across
- 2. Where cellular respiration takes place
- 5. Needed to make new protein molecules
- 7. The molecules that make up proteins
- 8. The body's use of molecules for energy and growth
- 10. A condition that is caused by a lower than normal number of red blood cells in the circulatory system
- 13. The fluid in cells that protects the organelles
Down
- 1. Caused by not enough glucose getting into cells
- 3. A reactant in cellular respiration
- 4. A molecule needed in order to make energy
- 6. A group of atoms joined together
- 9. Needs to be broken down into smaller molecules before it can enter the circulatory system
- 11. The "brain" of the cell
- 12. A condition that causes the passageways in the respiratory system to narrow