Across
- 4. tiny air sacs in the lungs at the ends of the narrowest tubes
- 5. relays information towards the cell body of a neuron
- 6. composed of many cells. Most plants and animals are multicellular
- 8. made up of the brain and spinal cord
- 10. the process by which your body gains energy by breaking down glucose
Down
- 1. clear, curved outer surface of the eye
- 2. a nerve cell that carries nervous impulses through the central nervous system
- 3. the fluid surrounding cells
- 7. a transparent curved object that bends light towards or away from a point called the focus.
- 9. large nerves that send signals to the brain