The only variable I know of for this tag is actually kind of cool. You can also pick how you'd like to align the text in the paragraph. You don't have to use it in between every word, but it comes in handy for other stuff. A lot of people use these to separate different sections of their site. Also, if you are going to use it, don't use it plain.
Manatees grow new teeth all the time.
They grow in from the back, and come forward, and their old, worn down teeth just fall out the front of their mouths. But it would be pretty disgusting to have your teeth falling out of your mouth all of your life. Also, all your teeth would have to be the same shape and size so that it wouldn't matter what part of your mouth they were in. Manatees grow new teeth all the time. They grow in from the back, and come forward, and their old, worn down teeth just fall out the front of their mouths.