 
 <translate> Neurons are the structural and functional units of the nervous system. Botulism affects the nervous system. Botulism affects neurons. So the answer is (F). <ibo> Neurons bụ ihe ndị mejupụtara usoro akwara ozi. Ọrịa botulism na-emetụta usoro akwara. Ọrịa botulism na-emetụta mkpụrụ ndụ akwara. Ya mere azịza ya bụ (F). 