In the placenta:
A)fetal blood moves into maternal circulation to pick up oxygen and nutrients
B)maternal blood moves into fetal circulation to deliver oxygen and nutrients
C)maternal red blood cells move into fetal circulation to deliver oxygen
D)oxygen is exchanged by diffusion from maternal blood vessels to fetal blood vessels

Question

Quizplus · Accepted Answer

Oxygen and nutrients are exchanged through diffusion from maternal blood vessels to fetal blood vessels. Fetal blood and maternal blood do not mix in the placenta. This is important for preventing the mixing of the different blood types of the mother and fetus.

In the Placenta