Within the cell cover of the blastocysts cavity it

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Within the cell cover of the blastocyst's cavity, it then develops into a ___________ - __________ sac covering the embryo, and the yolk sac. Days 7 to 8 The blastocyst is completely _______________ into the endometrium, and forms the________________. Now the cell is called the ________________. About the size of the _______ over an i Cells divide until ____________ layers for baby’s organ. The outer layer grows into the baby's ____________ and_____________. The middle layer grows into_______________, ______________, ______________ _________, muscles, the circulatory system, _____________, and sex organs. The inner layer grows into the organs of ___________ and _____________. At ________ days the baby's heart begins to beat. Definitions Amnion – (______ __ ___________) membrane that forms around the developing embryo Acts as a __________ ____________ to ____________ embryo. Placenta- Forms along the lining of the uterus. Blood enriched tissue that transfers ____________ and _______________ from mother’s blood Serves as lungs, liver, kidneys, endocrine glands, and digestive system for the developing embryo. Blood of the mother and embryo ____________ mix. So body will not reject baby as foreign organism. Oxygen, nutrients, and waste “_________ ___________” Umbilical Cord – made up of ___________ vessels About _____ inches in length Connects placenta to mother’s ___________ ___________
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  • Fall '12
  • Ms.Brunswich
  • prenatal care, yolk sac, mothers health behaviors, regularly scheduled doctor

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