In the placenta,nutrients move from mother to baby by ____.
A) activated transport
B) the Rh factor
C) transport proteins
D) simple diffusion
E) HCG
Correct Answer:
Verified
Q26: By the eighth week of human fetal
Q27: Q28: During pregnancy,a maternal antibody transported across the Q29: The prenatal period begins with the _ Q30: Human milk contains _. Q32: During days 8 and 9 after fertilization Q33: Which human extraembryonic membrane forms the blood Q34: Most neurons have formed by the _,allowing Q35: In humans,the term embryo refers to the Q36: 
A) calcium only
B)
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