The three funtions                          
Eat: The food is the set of foodstuffs consumed at diferent times of day or night once ingestive by a living organism provide nutritional elements and allow coservation .                                                   

Mouth: It is is inserted into the sking and mucosa of the mouth in it completion it also helps to blow whistles or inserve. 

Leg: Leg is the third segment of the interior or pelvic between the knee and ankle renember the leg.

           Funtions : Eat , mouth, Leg