Structure and function of the placenta and amniotic sac
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Structure and function of the placenta and amniotic sac

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Objective 11.4.12. Explain how the structure and function of the placenta, including its hormonal role in secretion of oestrogen and progesterone, maintain pregnancy.. Objective 11.4.12. Through the first 2-4 weeks, the embryo receives nutrients straight from the endometriumTissue grows out of the
Structure and function of the placenta and amniotic sac

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1. Structure and function of the placenta and amniotic sac/fluid

2. Objective 11.4.12 Explain how the structure and function of the placenta, including its hormonal role in secretion of oestrogen and progesterone, maintain pregnancy.

3. Objective 11.4.12 Through the first 2-4 weeks, the embryo receives nutrients straight from the endometrium Tissue grows out of the embryo and ?mingles? with the endometrium to form the placenta The placenta provides means for embryo?s basic needs Oxygen and nutrients for respiration Removal of waste and CO2 Blood travels to the embryo through the placenta and into the umbilical cord The embryo secretes hormones that control the mother?s reproductive system Human chorionic gonadotropin (HCG) is released by the embryo and acts like luteinizing hormone to continue the production of estrogen and progesterone

4. Objective 11.4.13 State that the fetus is supported and protected by the amniotic sac and the amniotic fluid


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