Sure. It's just that the bubble gets red.
a Muslim should take back in some especial cases. some cases for women and some for men. for example a Muslim have a sex intercourse should take bath after it. or when a woman finishes monthly period should take bath but during period should not take bath. and so on the detailed instructions can be found in sharia laws and by asking from an Imam.
Usually your period stops during a bath unless you are having especially heavy periods.
It's not very nice to bath with others (blood in the water) but there is no reason why you can't have a bath on your own.
take a warm bath
yes
YES! JUST TAKE A BATH! Its easier than a shower. just wipe good before going in. also NEVER wear a tampon while in the bath!
in the days of King Arthur.
Sure you could take a shower or a bath that no one else is going into after you.
Theoreticaly it is safer to take a shower during a thunderstorm. The chances of getting killed by drowning and by using a bath tub are greater than that of getting struck by lightning and using a bath tub.
take a hot shower or bath
Yes, you can take birth control during your period. You should take your birth control as directed regardless of bleeding.