the arterial chemoreceptor component was briefly and abruptly reduced , perhaps silenced , by two separate procedures , each repeated twenty-four times on each subject : b , removal of hypercapnia ( two breaths hypoxia with pi , co2 = 0 through a separate inspiratory line ) and c , removal of asphyxia ( two breaths o2 ) .
C0242184
hypoxia
C0004044
asphyxia