A Aileen A New member Mar 18, 2009 #1 a. prevents hemoglobin from carrying oxygen b. causes breathing to stop c. is toxic to the brain d. prevents the SA node from functioning e. slows the cilia in the respiratory tract
a. prevents hemoglobin from carrying oxygen b. causes breathing to stop c. is toxic to the brain d. prevents the SA node from functioning e. slows the cilia in the respiratory tract