Within the umbilical cord, the blood travelling from the fetus to the placenta along the umbilical artery has
- Aa higher concentration of carbon dioxide than the blood in the umbilical vein.
- Ba higher concentration of oxygen than the blood in the umbilical vein.
- Ca lower concentration of urea than the blood in the umbilical vein.
- Dthe same concentration of glucose as the blood in the umbilical vein.