P2.i Outline the functions of the placenta.

P2.ii Describe the foetal circulation.

P2.iii Describe foetal-placental blood flow and its regulation.

P2.iv Describe the structure, characteristics and function of foetal haemoglobin.

P2.v Describe the transfer of substances across the placenta including the double Bohr and Haldane effects.

P2.vi Describe the circulatory and respiratory changes that occur at or soon after birth including:

P2.vi.a the transition from foetal to neonatal circulation,

P2.vi.b the establishment of ventilation.