It is the tough, outer white part that gives shape to the eyeball.

A human nose has two openings called _______ through which we breathe.

It is the colored part of the eye.

The nasal cavity is connected to a bulb-like structure called the _______

which sends a signal to the brain to identify the smell of air particles.

The ________ of the outer ear collects sounds and sends them into the ear canal.

is a transparent layer that covers the iris and the pupil.

The inner walls of the nostrils have thin hair called _____________ They trap the dust particles that enter the nose when we breathe in air.

is a small black hole in the center of the iris.

is located behind the iris and helps light rays to fall on the retina.

is a lining at the back of the eye. It acts as a screen on which the image of an object is formed.

__________ is located behind the retina sends signals to the brain.

_______________ can distinguish the basic type of tastes: Sweet, Salty, Bitter, and Sour.

From the nostrils, the air enters a space inside the nose called the _____.

The __________________________produce sweat or perspiration to keep your body cool.

The ____________ produce oil to make your skin shiny and keep it from drying.

____________________ is the outer layer of the Skin

____________________ is the inner layer of the Skin

____________________ provide your body with heat and protect your internal organs.

The surface of the tongue is covered with small projections called _________