they provide heat
they used rat skin
Rat skin - I learned it off Horrible Histories
Openings for the rat to breath in and out.
because that was the fashion in Georgian times, it also showed if you were rich (only rich people could were rat skin)
awell depending on the sise of the rat a pet rat mite beable to peirce your skin a giant rat can somtimes rip off alot of skin :)
The skin covering that a rat does have is a cartilage that is covered by fur. The fur helps the rat keep warm. The rats that live in areas that are very cold therefore have a lot of fur.
pump blood you a******
The rats hair main function is to maintain body temperature, just like the hair on humans reduces loss of heat by radiation. They are different that the hair covers the entire rat, where as it is mostly on the top of the head for humans.
Not at all. It gets enough nutrients to lay eggs on the rat's skin.
To help rats to breathe
They regularly shed their skin its quite irreagular for them to shed skin though..
The lung function of a rat is to take in oxygen you breath and take it to the blood. Then it releases the carbon dioxide from your body.