Reproductive System – Pregnancy and Development (Part 4)

A uterus grows to more than 500 times its original size over the course of a pregnancy. The 43rd video in a series of 47 focuses on pregnancy and embryo development. The narrator begins with fertilization, discussing cell divisions that eventually form a fetus. He then focuses on the mother and her anatomical and hormonal changes that take place leading up to labor; he finishes by discussing labor through birth. 

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CCSS: Adaptable
NGSS: Adaptable
Instructional Ideas

  • Write the steps of fetus formation on separate cards; hand groups the set and have them put the cards in order
Classroom Considerations

  • Video best fits a higher level biology or anatomy class
  • Pause video when colored pop-up boxes appear, as they contain other related, interesting information

  • Click on auto-translate to view closed captioning in a number of different languages
  • This is an engaging topic for high schoolers

  • None
Common Core