Embryology for K12 Students

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Introduction

This is page has been made to help the younger student (from K to 12) understand some of the basics of how an embryo grows.

Click Here to play on mobile device

Cartoon of Human Development
This movie covers the 9 months of human development. Starting after fertilization and ending with the fetus just before birth.

The movie also shows how the embryo attaches to the mother's uterus (right) and how the placenta forms.

The movie near the end shows only the fetus.


In the first trimester (1-3 months) we call development an embryo (embryonic) and in the second trimester (4-6 months) and third trimester (7-9 months) we call development a fetus (fetal).


See also Animal Life Cycles and some student Embryology Questions

K12 Links: Start Here | Week 1 | Week 2 | Week 3 | Week 4 | Week 5 to 8 | Arms and Legs | Heart | Fetus | Brain Growth | Eyes and Ears | Animal Development Times | Comparative Embryology


Start Here

Chicken embryo at 12 days

In humans, the growth of a baby inside a mother takes about 9 months.

In chickens, mice and rats this growth only takes about 3 weeks.

Question: How long does it take for cats and dogs to develop? (Dogs)
  • During this time a single cell will grow into many different cell types with different shapes and jobs to do in the body.
  • A similar process will occur in all different embryos.
  • In humans, many important changes occur in the first few weeks of development and much of the following 9 months is growth.


Now follow the growth and changes in the embryo over time.

Next: Week 1

Mouse CT axes E11.5.jpg

Mouse Embryo at 11.5 days (Views of front, right, back and left)

Teachers Note

Author Comments
Mark Hill.jpg K12 pages are prepared for students of primary and secondary education.
  • Note that some content on other content pages may not be suitable for young students. All suitable pages have Category:K12 at the bottom of the page.
  • First, use the browser "View" option to zoom in once or twice to make the print larger.
  • It is also difficult to make notes suitable to cover the entire K -12 age group.
  • For younger students I suggest showing the movies of embryo growth and other movies Movies.
  • Also the Animal Development pages have many pictures of different animal embryos.
  • These notes are still not yet complete. I am looking for teachers who would like to contribute some suitable content.
  • More? K12 Professional Development 2014

Cite this page: Hill, M.A. (2015) Embryology Embryology for K12 Students. Retrieved July 6, 2015, from https://embryology.med.unsw.edu.au/embryology/index.php/Embryology_for_K12_Students

What Links Here?
© Dr Mark Hill 2015, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G