Your nose is the part of your face which sticks out above your mouth. You use it for smelling and breathing.
e.g. She blew her nose.
Your mouth is the area of your face where your lips are, or the space behind your lips where your teeth and tongue are.
e.g. Open your mouth wide and say “Ah”.
foot /fʊt/ (plural feet)
Your feet are the parts of your body that are at the ends of your legs, and that you stand on.
e.g. She’s got a blister on her left foot.
Your legs are the long parts of your body that you use to stand on.
e.g. Her legs were tired after so much walking.
Your toes are the five movable parts at the end of each foot.
e.g. Can you touch your toes?