Across
- 3. Enzyme that digests proteins in the stomach
- 4. Structure in muscle where contraction occurs
- 6. Digestive process that physically breaks food down
- 8. Movement of water across a semi-permeable membrane
- 10. Fluid that lubricates joints
- 11. Tissue that supports and connects body parts
- 12. Type of transport that does NOT require energy
- 13. Photoreceptors in the retina responsible for black and white vision
- 14. Structure that focuses light onto the retina
- 15. Junction between neurons
- 17. Long nerve cell extension that carries impulses away from the cell body
Down
- 1. Bones protect organs and allow ______
- 2. Organelle that produces ATP (energy)
- 5. Group of cells working together
- 6. Tissue responsible for movement
- 7. Structure that controls what enters and leaves the cell
- 9. Cell division producing identical daughter cells
- 10. Type of neuron carrying signals from receptors
- 11. The basic structural unit of life
- 16. Muscle protein that works with myosin