Virtual Egg Hatch – Day #12

There aren’t many big changes going on in the eggs today. 

  • Scales appear on the lower legs.

  • The embryo continues to grow and move.

  • The ribs begin to ossify.

This is a scan from the top of the egg showing the blood vessels supplying blood to the chick. 

Here is a link to Enchanted Learning’s heart anatomy lesson– a printable simple drawing of the heart and a glossary of terms.