Page 435 - Primary Six Notes
P. 435

  The period of pregnancy from conception to birth is called

            gestation period and lasts for approximately 9 months in hu-

            mans.


           Development of the foetus takes place in the uterus.

           The amniotic fluid act as shock absorber and protect the foe-


            tus.

           The amnion / amniotic membrane helps to keep the temper-

            ature consistent. The fluid offers protection from any

            blows that may come to the uterus area.


         The stages of development are:


         Fertilization —Zygote—Foetus—baby
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