The terminal part of the spinal cord is called .....

The smallest cranial nerve in human beings is:

Where is the third ventricle found?

Which of the following parts constitutes the midbrain of a rabbit?

Match the structures in Column $I$ with the structures connecting them in Column $II$:

Column $I$	Column $II$
$(a)$ Cerebral hemispheres	$(i)$ Habenular commissure
$(b)$ Two lobes of thyroid gland	(ii) Corpus callosum
$(c)$ Cerebellar hemispheres	(iii) Isthmus
$(d)$ Thalami	(iv) Vermis

Read the following statements:
$(a)$ The peripheral nervous system is divided into the somatic nervous system and the autonomic nervous system.
$(b)$ The central nervous system includes the brain and the spinal cord.
$(c)$ Afferent nerve fibers transmit impulses from the brain to the sensory organs.
How many of the above statements are incorrect?