Generally there are two kinds of bleaching agents, notably chlorine (and many chlorine compounds such as sodium hypochlorite) and peroxygen bleaching agents (such as hydrogen peroxide). This isn't to say there aren't others, because there are, such as ammonia. (Note, mixing traditional bleaches and ammonia is very dangerous)
A neuron has 4 basic part the dendrites the cell body I think the answer is b.the cell body but the brain is made up of about 86 billion nerve cells also called neuron
