Introduces vision and describes how the eyes work. Explains the sense of sight and provides information on eyes including the features of the iris and the pupil, how the eyes function in different types of light and in darkness, and how the body has special ways to protect eyes. Includes an eye diagram, facts, glossary, and resources for further information.

Describes the purpose of smell in your body and how your nose is involved. Discusses how your nose hairs clean the air and keep dust and dirt away from your lungs. Explains how nerve cells send a message to your brain to let you know what you are smelling and how smell keeps you safe from fires and toxins. Also includes fun facts and a diagram of your nose.