Heavy, or open mouth, breathing in a cat is generally a medical emergency, especially when in combination with extreme lethargy. The cat should be taken to an emergency clinic ASAP. This is not to be confused with panting due to stress or extreme heat/exertion.
Yes, if they are heavy enough they can crush you, or cause you to stop breathing.
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These are diaphragm and externa intercostal muscles in quiet breathing and sternocliedomastoid ,sclene muscles,anterior serrati in heavy breathing
dogs often do this to expell held up energy. it is basically a form of play. And the heavy breathing is obviously from the running.
heavy breathing occurs to breathe out the acid (CO2) in an attempt to correct the acidosis.
heavy breathing as you call it , in an engine would mostly be caused by a filthy air cleaner or a blocked air intake
Yes, breathing heavy is the body trying to recover more oxygen. It happens during exercise such as running as your body tries to recover the lost oxygen.
aches in the muscles and heavy breathing
lactation of the nipples and heavy breathing.
dying
Heavy breathing can be a sign of many things, including that she may be in labor and ready to have her foal. Heavy breathing most commonly means the horse is uncomfortable or has exercised heavily. Mares who are in labor will breathe heavily. Mares who have a foal inside them that is in an awkward position will also be uncomfortable and sometimes breathe heavily.
Probably not. Quit messing around with this site, and call your doctor.