They don't. Rattlesnakes breathe through their nostrils.
They breathe through there tongue!!
Yes, you would breathe mostly through your mouth, but you can breathe through your nose with you tongue sticking out of your mouth.
The head, tongue, rattle.
Through their nose because I have a blue tongue and when his nose gets wet, he sneeze/snorts to get rid of the water.
To make your breathe smell better you should brush your teeth but mostly your tongue. The tongue makes your breathe smells bad so you should buy this item to clean your tongue.
First smaling the air with there tongue and second with there heat receptors.
They use their nostrils for breathing. It is especially important to allow them to breathe while they are swallowing prey items.
Rattlesnakes have an anal opening at the base of the tail and will evacuate their intestinal wastes through this opening.
Like all land animals, rattlesnakes get oxygen by absorbing it into their blood through their lungs.
Sort of. All snakes, not just rattlesnakes, and some lizards have a Jacobson's organ on the roof of the mouth. Reptiles with this trait flick the tongue out to gather scents and then flick them into the Jacobson's organ.
A bell
yes but not through lungs they breathe through gills