Some cells of our body can be over a foot long. These are

Which of the following statements are correct for a nerve cell?
$(I)$. Each neuron has a cell body
$(II)$. Each neuron has a single axon
$(III)$. Neurons are the functional units of the nervous system
Select the correct option.

How many of the following cells are excitable?
Neuroglia,Muscle fiber,Fibroblast,Mast cell,Neuron,Macrophage

Non-excitable cells,found among the neurons are called

In a neuron,the components known as Nissl's granules are now identified as:

Nissl bodies are mainly composed of