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16 August, 01:54

Which statement is true of a placenta?

a. The placenta passes oxygen, nutrients, and other useful substances from the fetus to the mother.

b. The placenta passes oxygen, nutrients, and other useful substances from the mother to the fetus.

c. The placenta mixes blood from the mother and fetus together.

d. The placenta protects the mother from being attacked by the fetal immune system.

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  1. 16 August, 05:52
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    B is the answer. The placenta provides nutrients for the fetus and removes waste from the fetus.
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