mouth and nose tutorial

so, here the last tutorial. it is about mouth and nose, with some models.
in the first line, the position of the mouth; in the second line there's three type of mouth, from left to right:
-particular mouth, often used for seinen, shonen;
-simple mouth, often used for shoujo;
-more simple mouth, used for comic scenes

in the third line, another type of nose, from left to right:
-particular nose, with nostrils and back of the nose accentuated;
-more simple nose, with only the nostrils' shadow;
-simple nose, with only the shadow of the nose

tnx for watching ^^