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Which of these is/are function(s) of placenta?i. production of hormones ii. exchange of respiratory gases iii. production of antibodies iv. removal of nitrogenous waste from foetus to mother A. only ii and iii B. only i, ii and iii C. only i, ii and iv D. all – i, ii, iii and iv |
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Answer» D. all – i, ii, iii and iv |
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