Can someone describe what happens when a muscle contracts

Is it ok to have a tooth growing on my crotch and this is school related

You should never drive a car if you are a.taking cold medication b. suffering from the flu c. drinking alcohol d. all the above

Mary has spontaneously decide to make a meal for friends. she is beginning to prepare fin fish and realizes she wants to also prepare a hearty dish ready to serve at the same time. what should she prepare? a: rice which take 20 minutes b: past which takes 15 minutesc: baked potatoes, which take 50 minutes.d: grilled garlic bread,which takes 5 minutes.e: boiled dumplings,which takes 17 minutes.