Breathing and Exchange of GasesHard
Question
The blood leaving the lungs has all its haemoglobin oxygenated and gives up oxygen to the tissues, because:
Options
A.The tissue can absorb O2 from oxyhaemoglobin
B.O2 concentration in tissues is lower and CO2 concentration higher than in lungs
C.O2 concentration in tissues is higher and CO2 concentration lower than in lungs
D.Oxyhaemoglobin undergoes reduction