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a) Describe in brief the change the uterus undergoes to receive the zygote.b) In which part of human female reproductive system zygote is formed?4.log nf rofaction are 200 300 and |
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Answer» I) The uterus prepares itself every month in the hope of recieving a fertilised egg. The blood lining thickens which is richly supplied with blood vessels necessary for the nourishment of the embryo. 2.(iii) Uterus Zygote develops into foetus that gets the nutrition and protection from the walls of uterus.Placenta is a disc embedded in uterine wall where foetal blood comes very close to maternal blood and exchange of materials like oxygen and waster materials takes place. It slowly develops into a new born baby after nine months in mother's body. I) The uterus prepares itself every month in the hope of recieving a fertilised egg. The blood lining thickens which is richly supplied with blood vessels necessary for the nourishment of the embryo. 2.(iii) Uterus Zygote develops into foetus that gets the nutrition and protection from the walls of uterus.Placenta is a disc embedded in uterine wall where foetal blood comes very close to maternal blood and exchange of materials like oxygen and waster materials takes place. It slowly develops into a new born baby after nine months in mother's body. |
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