If it's chest is getting bigger and smaller.
Pretty much any animal that is living (which if you didn't know means if an animal is breathing.)
fishes do not use their lungs for breathing
The breathing tube would go into the animals breathing pipe and kinda take over for the animal to breath but it can't stay in long.
Every air breathing animal can.
The smaller the animal, the faster its heart beats. But as for the legs, I don't know.
it gives them air in the their lungs
Every animal have Lungs will tell me something how do you think the Animal can breath for example people breath from the lungs and if you dont take care of breathing you may have asthma
If the stuffed animal wants to be real, and you love it with all your heart, then yes, it can be real.
No animal can live without breathing, without breathing means dead.
An animal that uses lungs for breathing has a pulmonary circulatory system. Mammals are the most common type of animal that breathes through lungs.
easy the same way we do. In the way they chose to
its not breathing