Understanding reproduction
By: Carol Ballard
Edition: 1st ed.
Series: Understanding the human body
Publisher: Rosen Central; Rosen Publishing Group
Published: 2010
Place of publication: New York
Language: eng
Number of pages: 46
ISBN-13: 9781435896826; 9781435896888; 9781435896994
Notes: Includes bibliographical references (p. 45) and index.
Table of contents: title: The life cycle; title: Puberty; title: Body changes; title: Male reproductive system; title: Sperm production; title: Female reproductive system; title: Egg production; title: The menstrual cycle; title: Sexual intercourse; title: When sperm meets egg; title: Twins and genetics; title: Pregnancy begins; title: Support for the embryo; title: Three to eight weeks; title: Nine to twenty-four weeks; title: The last three months; title: Childbirth; title: Fun facts; title: Activities.