1st of all, the question should be "what organ(s) do you breathe with" because it's a...group effort, so to speak :)
A basic answer would be that the lungs help you breathe but that's not the whole picture.
In a slightly more intricate answer, the brain controls the lungs, "telling" them to inhale and exhale, and the heart keeps the blood moving so that your brain can continue controlling the lungs.
Lungs.
External nostrils are the parts of our respiratory system which help in the exchange of gases between your body and surrounding air.
In the lungs
the lungs
lungs
They respire through spiracles.
loongs
The lungs are the organ that takes air into the body. The air is taken in through the nose and the mouth.
A penguin is a flightless bird it use lungs for in take of Oxygen in its body.
The Harmonica is the brand name for the instrument the Mouth Organ. The Mouth Organ is a Reed Organ played using the mouth and lungs to supply the positive and negative air flow that other reed organs use bellows for. The American reed organ plays using negative air pressure ie it sucks and the Harmonium blows. The Mouth organ is the only wind instrument to use positive & negative air flow to voice reeds sounding different pitches on the suck and blow.
A bellows is an air pump . A pump organ would have a bellows . A poet might conceivably use bellows as a figure of speech to stand for a pump organ.
The organ that holds and releases air which allows the perch to move up and down in the water is the swim bladder. Most fish have this organ, which they use to control how deep or how shallow they swim.
lungs
no cause aveoli are little air sacks in the lungs. they are not an organ they are in an organ.
They use their tail and their swim blatter and that is an organ that fills and emties with air so they rise and fall.
The diaphragm is the organ of the respiratory system that doesn't touch air.
The organ's stop controls the flow of the air into the pipes.
Lungs