Gaskin, John

Presents simple concepts relating to air and breathing, and ends with three easy experiments on breathing for children to try.

Describes how the bones of the skeleton work with the muscles of the body to produce movement.

Describes how the heart works, how blood travels through the body carrying oxygen, and how to prevent heart disease.

Tells about teeth and advises on tooth and gum care and on safe snacks that contain no sugar.

Describes which types of foods make nutritious meals and how the food passes through the body's digestive system.

Discusses how the five senses work and includes activities to test the sensory organs.