Question

Fill in the blanks:

1. Basic structural unit of the nervous system is the ................

2. Central nervous system consists of brain and ........................

3. A neuron consists of  ....................................and .................

4. The neurons carrying impulses from the brain to the muscles are called motor or ...................................

5. Peripheral nervous system consists of .............

6. The three main parts of the brain are .............................. and ............................

.................................................

Answer 1

1. Basic structural unit of the nervous system is the neuron.

2. Central nervous system consists of brain and spinal cord.

3. A neuron consists of cell body, dendrite and axon.

4. The neurons carrying impulses from the brain to the muscles are called motor or efferent neurons.

5. Peripheral nervous system consists of nerves.

6. The three main parts of the brain are cerebrum, cerebellum and medulla oblongata (brain stem).