Which of the following tissues has the minimum power of regeneration?

The function of repairing in nervous tissue is done by

Which cells do not form layers and remain structurally distinct?

Given below are two statements.
Statement $I$: Nervous tissue is without lymphatic vessels.
Statement $II$: Nervous tissue is endodermal in origin.
In light of the above statements,choose the most appropriate correct answer from the options given below.

The nervous system is derived from which germ layer?

Schwann cells and Node of Ranvier are found in