some times it meens it needs more water or liquids this happens to most people but really only the young ones
First, peel an orange, then... rub it all over your lips!! ;)
It could just be chapped lips and/or dry skin. I wouldn't worry about it unless it's really bad.
well if you have been in the sun with no lip bamb or anything to proctect your lips then you lips get either burnt or dry and this causes it to get cracked the heat expands in you lips and trys to find away to break through so that causes aye crack in you lip!!!!!
Go to the doctor. You could have a STD.
Babies may have cleft lips with or without cleft palates. Cleft palates may also occur without cleft lips
the orbicularis oris muscle
It means you get chapped lips easily. Just wear more chapstick to protect your lips. In addition, avoid licking them. That might make it feel better short term, but in the long run, it makes it worse.
Moisture under hairline cracks.
It is a ticklish sensation that makes them laugh!
It retails for 6.99 at amazon.com http://www.amazon.com/Ty-Beanie-Babies-Lips-Multicolor/dp/B00000JXSP
I learned that our lips are red because 1:they're a thinner skin, 2:there are more nerves in our lips which causes more blood flow making the lips have a red looking color.
the vibrations from your lips