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How does the embryo get nourishment insi...

How does the embryo get nourishment inside the mother's body?

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After fertilization the lining of uterus thickness and is richly supplied with blood to nourish the growing embryo. The embryo gets nutrtion from the mother.s blood with the help of a special tissue called placenta. It is embedded in the uterine wall. Placenta contains villi on the embryo.s sides of the tissue and blood spaces on mother.s side surrounding the villi. This provides a large surface from mother to the embryo and waste products from embryo to mother.
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(a) Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone. (b) Name the parts of the human female reproductive system where- (i) Fertilisation takes place (ii) Implantation of the fertilised egg occurs. (c) Explain how the embryo gets nourishment inside the mother's body.

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How does growing embryo get nutrition from the mother's blood ?