Which of the following substance from the mother's blood diffuse through the placenta into the...
BIOLOGY
WAEC 1991
Which of the following substance from the mother's blood diffuse through the placenta into the blood vessels of the feotus?
- A. Carbon dioxide and oxygen
- B. Glycogen and starch
- C. Urea and carbon dioxide
- D. Glucose and oxygen
Correct Answer: D. Glucose and oxygen
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