Question

Study the diagram given below and then answer the questions that follow :

(a) Identify the cell.
(b) Name the parts labeled 1, 2, 3, 4, 5, and 6.
(c) Where is this cell likely to be found in the human body and what is its function?

Answer 1

Part (a): Neuron:​

1. The given diagram shows a nerve cell or neuron.
2. This neuron forms the main structural unit of the nervous system

Part (b): Labels of neuron:

1 → Dendrites/Dendrons
2 → Axon
3 → Nucleus
4 → Cyton/Perikaryon
5 → Neurolemma
6 → Axon endings

Part (c): Location and function of neuron:

1. The nerve cell is likely to be found in the nervous system of the human body.
   
2. The function of the nerve cell is to transmit messages from one part of the body to another.
   
3. The neurons carry the nerve impulse from one region to another in the form of electrical signal.
   
4. It is associated with the perception and responses of animals.