PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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How does the embryo get nourishment inside the mother’s body?
 
a. The placenta is connected to the embryo through a cord containing blood vessels called the __________.
 
b. Which of the following functions of villi is present in the placenta?
 
c. Which of the following is the temporary intimate connection between the foetus and the uterine wall for exchanging certain materials?