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2.Human Reproduction
medium
Choose the correct one
A
$A -$ Chorionic villi $\rightarrow$ forms placenta
B
$B$ - Yolk sac $\rightarrow$ Prevents desiccation of embryo
C
$C$ - umbilical cord $\rightarrow$ Haemopoiesis
D
$D -$ Blastocyst $\quad \rightarrow$ Forms the embryo
(AIIMS-2019)
Solution
Chronic villi functions in transferring the nutrients from mother to the developing fetus. Placenta act as the interface between mother and fetus.
Std 12
Biology
