You breath fast when you are running because your muscles need oxygen so that they don't tire out. By breathing fast you are getting more oxygen in your blood, and thus your muscles.
FAST
They don't breathe in the same way as we do as they don't have lungs.
"Breathe in and breathe out, for you must breathe to live."
Cats breathe fast when purring because the act of purring requires them to take quick breaths in order to produce the sound.
breathe and keep a clear mind
depends how fast you are and if your fat
Fast
because when they're running the heart has to pump blood faster to power the body. the heart must pump very fast and it takes a minute to slow down.
In through your nose out through your mouth.
mouth
Increased Heart Rate
i think fast running is very best for reduce fat fast