The gills- pretty sure
No, it is the mouth
The gills
A fish takes in Oxygen and passes out Carbon dioxide and Ammonia through its gills.
It takes in oxygen through air, using lungs. Fish take in oxygen through water, using gills.
Only if you are part fish
Oxygen.
The lungs take in oxygen directly from the air.
Water weed takes in the carbon dioxide released by the fish and turns it into oxygen in a process called respiration. The fish in turn breathe in the oxygen and release carbon dioxide, starting the cycle again.
no,gills was fish's respiratory organ.gills has the capability to observe dissolved oxygen from water.
GILLS!!
Fish have gills which take oxygen from water that passes through.
the pulmonary part of your heart takes the oxygen poor blood to the lungs and back.
die nase
The part of cellular respiration that needs oxygen is called aerobic respiration. It takes place in the Mitochondria (plural mitochondrion).