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Quick Vocabulary

Quick Vocabulary. LEFT. Think, Pair, Write: What do you notice ? Write about the placenta, the chorion and the amniotic sac. Do identical twins always share a placenta during pregnancy?.

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Quick Vocabulary

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  1. Quick Vocabulary

  2. LEFT Think, Pair, Write: What do you notice? Write about the placenta, the chorion and the amniotic sac

  3. Do identical twins always share a placenta during pregnancy? No, this is a myth. Even many doctors will mistakenly identify twins as fraternal because there are two placentas. It depends on when the egg splits. If it is early enough, the two embryos will implant separately in the uterus and develop individual placentas. If the split occurs later, they may share a placenta.

  4. LEFT Use your book, pg 518 – 520: Create two lists: Important things for fetal growth Things that are bad for fetal growth Think, Pair, Write: What do you notice? Write about the umbilical cord. The placenta contains many blood vessels from both the fetus and the mother, but they are NOT directly connected.

  5. Quick quiz – what do all these mean?

  6. Stomach vs. Uterus LEFT Think, Pair, Write: What do you notice? Write about the differences in location and function of the stomach and the uterus.

  7. http://kids.britannica.com/comptons/art-90799/Identical-twins-left-and-fraternal-twins-right-both-get-nourishmenthttp://kids.britannica.com/comptons/art-90799/Identical-twins-left-and-fraternal-twins-right-both-get-nourishment • http://www.smh.com.au/news/health/double-trouble-this-pair-could-hardly-come-closer/2006/02/17/1140151818765.html • http://www.biog1105-1106.org/demos/105/unit8/ovaryplacenta.html • http://stages-of-pregnancy-development.com/pregnancy-week-13/

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