Meaning: Gills allow fish to take in oxygen from the water.
Choice of Words: Gills are special organs that fish use to breathe underwater. Breathe means to take in air and let out carbon dioxide.
Alternative Expressions
Fish use gills to breathe in water.
Meaning: This sentence highlights the function of gills in helping fish breathe in water.
Choice of Words: **Fish:** This sentence is about fish, which are animals that live in water.
**Use:** Fish actively utilize their gills for breathing.
**Gills:** Fish have special body parts called gills that allow them to breathe underwater. Gills are like lungs, but they work in water instead of air.
**Breathe:** Breathing is the process of taking in oxygen and releasing carbon dioxide. Fish breathe through their gills.
**Water:** This means in the water environment.
Gills are like lungs for fish to breathe underwater.
Meaning: This sentence explains that gills are similar to lungs and enable fish to breathe underwater.
Choice of Words: **Gills:** Fish have special body parts called gills that allow them to breathe underwater. Gills are like lungs, but they work in water instead of air.
**Like:** Gills are compared to lungs in terms of their function.
**Lungs:** Lungs are organs in humans and other animals that allow them to breathe air.
**For:** Gills serve the purpose of breathing for fish.
**Fish:** This sentence is about fish, which are animals that live in water.
**Breathe:** Breathing is the process of taking in oxygen and releasing carbon dioxide. Fish breathe through their gills.
**Underwater:** This means below the surface of the water.