Section 3


• Sequence the events of fertilization, cleavage, and implantation.

• Describe the three stages of pregnancy.

• Summarize the development of an embryo during pregnancy.

• Discuss the effects of unnecessary drug use on development.

• Describe the changes in a mother's body during birth.

vocabulary gestation blastocyst implantation pregnancy trimester embryo amniotic sac chorionic villus placenta umbilical cord human chorionic gonadotropin fetus labor afterbirth figure 51-9

Several sperm surround this ovum, but only one will be able to fertilize it. (SEM 1165 x)

Sirens Sleep Solution

Sirens Sleep Solution

Discover How To Sleep In Peace And Harmony In A World Full Of Uncertainty And Dramatically Improve Your Quality Of Life Today! Finally You Can Fully Equip Yourself With These “Must Have” Tools For Achieving Peace And Calmness And Live A Life Of Comfort That You Deserve!

Get My Free Ebook

Post a comment