The head is the uppermost or forwardmost part of the body of a vertebrate, containing the brain and the eyes, ears, nose, mouth, and jaws.It's the seat of the faculty of reason; intelligence, intellect, or mind.
The nose is the part of the human face or the forward part of the head of other vertebrates that contains the nostrils and organs of smell and forms the beginning of the respiratory tract.
The eye is an organ of vision or of light sensitivity.It's the faculty of seeing.
The ear is the vertebrate organ of hearing, responsible for maintaining equilibrium as well as sensing sound and divided in mammals into the external ear, the middle ear, and the inner ear.
The mouth is the body opening through which an animal takes in food.