This book describes how the nervous system works to send messages in the human body and includes information about the brain, spine, nerves, glands, and hormones.
Describes different parts of the human body and how they work. Fact boxes chronicle various scientific developments in the medical field including eye glasses, x-rays, dentures, and needles. Includes a body and health quiz and a glossary of terms.
Offers a humorous inventory of all the tiny nasty things around us such as dust mites, bird droppings, mouth bacteria, fungi, and cockroaches, and explains that we must survive with them.