Practical Laws of Islam / History of Religion

Islam is so practical, the Practical Laws of Islam are a proof of this!

Question 354: If the mouth or the nose keep bleeding from when the time of an obligatory prayers begins until it is about to end, what will be the prayers' rule?

A: If one is unable to clean one's body and fears the expiration of the time of the obligatory prayers, he can perform that prayers in that state.