Chief Picture Researcher : Jean Shapiro Cantú Picture Researchers Ronald M. Davis , Gregory A. Johnson , Leora Kahn , David Ross , Lynne Russillo , JoAnn Tooley , Arthur Whitmore Technical Illustration Layout Esperance Shatarah Art ...
The blood may be bright red to brown . It is especially likely to be brownish at the very beginning or toward the end of your period . Blood tends to turn brown the longer it sits . If your blood has been slow in moving out of your body ...
This softcover supplement provides comprehensive coverage on human sexuality and pregnancy prevention.
Hobart 177-355 ( Ch . 3 P. 31-32 ) In regards to Egyptology : E. A. Wallis Budge , The Gods of the EgyptiansDover Publications , Inc. , N.Y. vol . 2 1969 p . 62. ( Gen. Ref . ) Henri Frankfort , Kingship and the Gods , The University of ...
本书是一部儿童知识读物.本书以童话故事的方式向儿童解答了他们对自己身体的疑问, 通过充满想象力的故事情节与精美可爱的插图, 向孩子展现了自我保护的方法 ...
本书包括三部分:第一部分为医学、伦理学和法律原则;第二部分为从原则到实践;第三部分为数据和资料。
Describes the reproductive process from intercourse to birth.
This book brings together their best essays written over a twenty year period in one readily accessible source, together with a new introduction and conclusion, to coincide with the passage of the Human Fertilisation and Embryology Act 2008 ...
When Joey's friend Lisa tells him how babies are born, he asks his mother and father to tell him how he was really born.
本书以人类的性行为为出发点来描述人类的繁衍策略,作者主要是站在演化的角度,根据精卵受精产生后代的目的来探索男女两性的各种繁衍策略及多彩多姿的性活动。