Across
- 5. Gills have a large surface what?
- 6. Fish use their gills to breathe here.
- 7. Fish absorb oxygen from the water using this body part.
Down
- 1. Like every animal, fish need what to survive.
- 2. Gills are found just behind this part of the face.
- 3. dioxide Fish breathe in oxygen and breathe out what?
- 4. Fish gills do the same job as human what?
- 8. There is ? oxygen in the water than in the air.