The amount of water vapor in the air is calledrelative humidity
<span>Botulinum toxin does not bind to receptors presemt at the axon terminal in order to enter the neuron. It is a neurotoxin protein produced by Clostridium botulinum which is a bacterium. It prevents the release of neurotransmitter from axon endings that results to flaccid paralysis.</span>
Arrow a should point to muscle tissue, arrow B should point to an organ, arrow c should point to organ system.
