Consider the following statements. Which of them are true?
1. There are three main parts in a neuron - a cell body, an axon and dendrites.
2. The cytoplasm is thick here and contains granular substances called Nissl's bodies.
3. Branched processes termed dendrites arise from the cell body of a neuron.
4. All neurons have only one axon.
Which is the longest part in a neuron?
The junction of two neurons is called