You can't catch rabies from a rat. Soda does not make rats explode. Rats bathe themselves, usually six times a day or more. A rat's saliva has some pink pigmentation, which can cause a light-colored rat to look discolored. A warm washcloth with baby shampoo is great for those trouble spots.
Rats have bellybuttons.
Rats don't have gallbladders. Rats don't have tonsils. A rat's fur smells like grape soda. Rats can be trained to do simple tricks. Rats can train humans to do simple tricks.