Did You Know?
Some fish can breathe air too!
How Fish Breathe
Fish take in water through their mouths.
What Gills Do
Gills help fish get air from water.
What gill Does
Gills take in water.
They pull out oxygen from water.
Gills help fish breathe.
They let fish swim fast.
Gills keep fish healthy.
Fish can live in water with gills.
More About gill
Gills are very old. Fish have used them for a long time. They help fish live in water. Without gills, fish would not be able to breathe.
Gills are like lungs for fish. They help fish get air from water. This is how fish stay alive in rivers and oceans.
Some fish can even breathe air. They can live in both water and air. This helps them when the water is low.
How Topics Connect
graph TD
A["Aquatic Animals"] --> B["Use Gills for Respiration"]
B --> C["Aquatic Gas Exchange"]
C --> D["Extract Dissolved Oxygen"]
C --> E["Excrete Carbon Dioxide"]
A --> F["Branchia (Zoologists' Term)"]
What Do These Words Mean?
gill:a body part that helps fish and other water animals breathe by taking in oxygen from water
respiratory organ:a part of the body that helps with breathing
aquatic:related to water
gas exchange:the process of taking in one gas and getting rid of another
branchia:the scientific name for gills
