therefore , no affects the oxygen transport function of hemoglobin , decreasing the oxygen supply to peripheral tissues , because of ( 1 ) simple diminution of the available hemoglobin by the tightly bound no , ( 2 ) the high affinity of hemoglobin for oxygen , and ( 3 ) the inevitable formation of methemoglobin .
C0019046
hemoglobin
C0025635
methemoglobin