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"A major function of structure X is to

(1)produce gametes by meiosis

(2)protect the fetus from physical injury

(3)exchange materials between the mother and the fetus

(4)store food to provide the fetus with nutrient"

A major function of structure X is to (1)produce gametes by meiosis (2)protect the fetus from physical injury (3)exchange materials between the mother and the f class=