When Reptiles Stop Breathing, for Example on Extended Dives

Multiple Choice

When reptiles stop breathing, for example on extended dives,

A) blood is shunted from the systemic circuit to the pulmonary circuit.
B) blood is shunted specifically to the brain.
C) blood is shunted from the pulmonary circuit to the systemic circuit.
D) blood is shunted to the skin for gas exchange.
E) the pattern does not change between the breathing and the nonbreathing periods.