Embryology Week 4
In this lesson, the embryo continues to fold, and the vascular system and heart begin to develop.
1) DRAWING LESSON
Finished drawing sample for lesson 28
2) SUPPLEMENTAL VIDEOS
Compare human development to a chicken:
Compare human development to that of a fruit fly:
Note: If you have trouble accessing the online quiz, you can download a printable version. Look for the quiz PDF file on the home page for this module.