Label the parts of the given pictures:
1. 
The part of the cell body of the neuron structure under number 3 is called
The Part of the cell body of the neuron structure under number 4 is called
2.
The part of the conduction of nerve impulse through a chemical synapse under number 3 is called
The part of the conduction of nerve impulse through a chemical synapse under number 4 is called