Physiology General e259644f Central cyanosis not occurs when total Hb and reduced Hb level is respectively (in gmdeg/o): A 10.9 & 4.1 B 10.9 & 5.110.9 & 6.1 C 8.9 & 4.1 D All High-Yield Explanation A i.e. 10.9 & 4.1