With its lungs
Through their nostrils !
To help rats to breathe
No it can not.
lungs are the organ for respiration i.e. helps in breathe in all the living beings (those having lungs)
Nothing. You're rat's probably dead, or needs to be put down because it probably has a broken neck.
Rat, like all mammals, have noses and mouths which lead to the lungs. When rats breathe in the air, the oxygen travel to the lungs where gas exchange occurs.
No cause in the higher atmosphere there be more likely thinner air more harder enough for it breathe and less gravitation to supress its own body.
Depends. Most rats fly first class in my experience. Seriously, it depends on the airplane and conditions. Commercial aircraft are pressurized so pets and people can breathe. Most baggage compartments are heated too. So if the rat is inside the airplane's pressure shell it will be fine. A rat in the wheel wells or the wings would not usually survive.
Rat at Rat R was created in 1981.
If it is a male rat then it become sterile.A castrated rat is a sterile rat.
A desert rat is a gerbil. A rat, is a rat. Also, desert rats live in the desert in Egypt.
An adult rat is called a rat.