physiology

"Discusses body changes that happen to boys during puberty, such as acne, body hair, body odor, mood swings, crushes, and more, and gives suggestions to teen boys for taking care of their hygiene and keeping good relationships"--Provided by publisher.

Discusses research on the restructuring processes the human brain undergoes during the teen years and examines potential links between this "rewiring" and teenagers' behavior and mood swings.

A guide to bullying for teenage girls that includes real-life questions and answers.

Explains how a human heart works and why it is important to keep it healthy and encourages readers to make smart dietary, exercise, and lifestyle choices to protect their hearts and lead a healthy life.

Describes the parts of the eye and how they work.

Simple text and photographs explain how the endocrine system looks after things like height, hunger, pain, and mood. Experience augmented reality by downloading the free Capstone 4D app and scanning book pages for access to additional video content.

Simple text and photographs introduce the muscular system and how it works. Experience augmented reality by downloading the free Capstone 4D app and scanning book pages for access to additional video content.

Readers will learn about the horned lizard, a reptile with unusual defense mechanisms, such as shooting blood out of its eyes.

Shows how the respiratory system works, discussing breathing problems and how to keep your lungs healthy.