Fetal circulation in Animals
Human Development and Birth Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Lecture Outline.
Life Span Development Prenatal Development and Birth – Chapter 4 June 15, 2004 Class #3.
Development of the Human Embryo Mr. Nichols PHHS.
Copulation – Sexual intercourse Sexual arousal –The penis becomes erect –The vagina becomes lubricated Copulation –The penis is inserted into and moved.
Safe version
Copulation – Sexual intercourse
The Placenta
Starter
