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Concentration of which of the following ...

Concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord?

i. Oxygen
ii. Amino Acids
iii. Carbon dioxide
iv. Urea

A

(i)and(ii)

B

(ii) and (iv)

C

(iii) and (iv)

D

(I)and (iv)

Text Solution

Verified by Experts

The correct Answer is:
A
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