← Biology (0610)
Q1 / 5
Reproduction in humans
Higher
3 marks
Describe the role of the placenta during pregnancy.
A
Allows O2/glucose from mother and CO2/urea from fetus to diffuse across; produces hormones; acts as partial barrier
B
Pumps blood directly from mother to fetus
C
Stores nutrients for the baby and releases them all at birth
D
Filters all harmful substances from mother's blood
Need a hint?