Overview
How are genes passed from one generation to the next?
How can twins happen?
How many sperm cells does it take to fertilize a human egg?
Investigate the miracles of the human body with Body Focus. Each book provides an in-depth focus on a vital body part or system, the way it works, and why it occasionally goes wrong. The series also emphasizes the importance of exercise and a healthy lifestyle to keep our bodies in good working order.
The Reproductive System explores the structure of the male and female reproductive organs and how the human body is able to reproduce. It explains the different illnesses and conditions that can affect our reproductive systems, from sexually transmitted diseases to problems during pregnancy, and outlines ways we can keep healthy.
Each book in the series includes:
information panels that focus on areas of study, health issues, and cutting-edge technology and treatments
a table that summarizes information about illnesses or injuries, and how they can be prevented or treated
Steve Parker has written, contributed to, or edited more than 250 nonfiction books for young people. Many of these are about the human body, how it works, why it occasionally goes wrong-and how it can be put right.
Explains the parts of the reproductive system and their functions and provides an overview of human development from birth through adolescence.