how is placenta designed to give nutrition to the developing embryo

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Solution

Dear student,
Placenta is a special umbilical cord that develops in the fourth week of embryo development. It establishes an intimate connection between the foetal membrane and the uterine wall of mother. The exchange of materials between the mother’s blood and the blood of foetus takes place through placenta. It serves as a nutritive, respiratory and excretory organ of the foetus.

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Similar questions

Regarding the assertion and reason, select the right option.

Assertion (A): Endosperm development precedes embryo development.

Reason(R): Endosperm provides assured nutrition to the developing embryo.

The disc-like tissue embedded in the uterine wall which provides nutrition to the embryo within the womb is known as the placenta.

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