A.Too much amount of O2 in his blood
B.Too much amount of carbondioxide in his blood
C.Too much O2 and very little CO2 in his blood
D.None of these reasons
A.Too much amount of O2 in his blood
B.Too much amount of carbondioxide in his blood
C.Too much O2 and very little CO2 in his blood
D.None of these reasons