Toxins can interfere with oxygen transport through several mechanisms:
Binding competitively to hemoglobin, preventing oxygen from binding (e.g., carbon monoxide). Inhibiting enzymes involved in cellular respiration (e.g., cyanide). Oxidizing hemoglobin to forms that cannot carry oxygen (e.g., methemoglobinemia). Causing direct damage to the respiratory system, leading to impaired gas exchange (e.g., inhalation of toxic gases).
