physiology

Explains what calories are, how they function, and how the human body uses them as a source of energy. Reveals why too many or too few calories cause health problems and offers tips on interpreting media in order to ensure one receives only the amount of calories one needs or desires.

Text and photographs describe the interactions of nerves, muscles, bones, tendons, and ligaments in various kinds of movements and discuss such related topics as avoiding injury, body language, and aging.

Describes how and why animals shed their feathers, hair, shells, horns etc., with emphasis on the molting of birds.

This book presents tips on lifestyle habits teens can develop to improve their heart health and avoid certain diseases and conditions that can occur when healthy choices are not made.

An overview of the digestive system and how it works.

Shares the true-to-life stories of teen and preteen girls who are struggling with issues involving puberty, body image, and physical changes, each with comments and advice from Dr. Robyn Silverman.

An illustrated guide for boys and girls that discusses the physical changes to expect when entering adulthood, and covers hormones, menstruation, hygiene, physical appearances, emotions, socialization, and more.

A workbook for girls ages eight to sixteen which provides stories, quizzes, exercises, checklists, diary pages, illustrations, and anecdotes, designed to help them deal with the questions and feelings they have about their changing bodies.

Addresses a variety of issues Asian American teenage girls and young women face in the early twenty-first century; and includes comments by women from across the United States.

Colorful photographs, illustrations, and text describe the digestive system.