Across
- 1. Under the belly, this fin helps the salmon steer and slow down
- 2. Absorb oxygen and release carbon dioxide into the water
- 3. Controls the fish's buoyancy so they can float up or down
- 6. Moves food from the mouth to the stomach
- 9. Absorbs nutrients from food items as they pass through
- 10. Behind the vent, this fin helps keep the fish stable and upright
- 11. The largest and most powerful fin, pushing the fish forwards
- 12. Controls the fish's senses and behavior (and thoughts???)
- 15. Stores and breaks down food with digestive fluids
- 16. Produces reproductive cells (eggs for females, sperm for males)
- 17. Makes immune cells that fight off disease
- 18. The fin on top that helps the fish make sharp turns and stops
Down
- 1. An organ that humans don't have, these help out the intestines with digestion
- 4. Filters blood, maintaining the right levels of sugars and chemicals
- 5. Gives the fish a solid structure and sends signals from the brain to the muscles
- 7. Pumps oxygenated blood from the gills to the muscles and organs
- 8. Gets rid of liquid waste
- 13. Scientists aren't sure what the purpose of this fin really is, but they clip tracking tags to them
- 14. Expels solid waste, as well as eggs for females and sperm for males