G8eorganmiesye G8eorganmiesye
  • 25-01-2017
  • Spanish
contestada

Como se forma la placenta ysus funciones

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melissalynn023
melissalynn023 melissalynn023
  • 27-01-2017
Las células de la capa externa se convierten en una forma de epitelio, casi como células de la piel, que funcionan para transportar gases, nutrientes y desechos. También hacen hormonas que guían los sistemas fetal, placentario y materno durante el embarazo.
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