( A ) neurotransmitters ; transmit nerve impulses towards the cell body to a synapse.
( B ) Nissl's granules ; transmit nerve impulses away from the cell body to a neuro-muscular junction.
( C ) neurotransmitters; transmit nerve impulses away from the cell body to a synapse or to a neuro-muscular junction.
( D ) Nissl's granules ; transmit nerve impulses towards the cell body to a synapse or to a neuro-muscular junction.