hand, finger, neck

hand
My answer : part of your body to touch and grab things
Dictionary : the part of your body on the end of your arm that has fingers and a thum

finger
M : part of your hand to pick things up with etc
D : one of the five, long, separate parts at the end of your hand, including your thumb

neck
M : part of your body to attach your head and body
D: the part of the body between your head and your shoulders