Documents © 2011 National Safety Council 20-1 PREGNANCY AND CHILDBIRTH LESSON 20.

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Documents Chapter 4 THE DEVELOPING PERSON. CONCEPTION Fewer than ½ of fertilized eggs (zygotes) survive 1.....

The Developing Person Chapter 4 The Developing Person Conception Fewer than ½ of fertilized eggs (zygotes) survive 1st week cell division produces 100 cells 10 days zygote…

Documents The Developing Person

The Developing Person Chapter 4 The Developing Person Conception Fewer than ½ of fertilized eggs (zygotes) survive 1st week cell division produces 100 cells 10 days zygote…