4 School Days Until Finals

Today we Reviewed the endocrine system one more time. We also looked at one of the menstural cycle one more time, here is the link;http://GBS-Moodle.glenbrook225.org/moodle/mod/resource/view.php?inpopup=true&id=8650. We also took some notes:

Fertilization and Implantation

Fertilization occurs in te oviduct

Zygote- a fertilized egg, diploid cell

Cell division begins

Embryo- > 1 cell

Morula- solid ball of 64 cells

Blastocyst- hallow ball of cells

Embroynic Development

Gastration is the formation of 3 embryonic germ layers

Endoderm- living of digestive reproductive respiratory systems

Mesoderm- muscles, blood, bones

Ectoderm- Skin, nevrvous system

After we finished our notes we all finished lab 35 and handed it in!

Homework:

UP 19-20

34.4 and flow map (don't do a bad one)

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