The organ A which is located inside the skull of our body is protected by a bony box B and it
Channel: Doubtnut
Date: 26/01/2020

The organ A which is located inside the skull of our body is protected by a bony box B and it is surrounded by three membranes C. the space between the membranes is filled with a liquid D which protects the organ A from mechanical shocks. The organ A in combination with another organ E makes up the central nervous system. (a) What is organ A? (b) What are (i) B (ii) C, and (iii) D ? (C) Name the organ E. (d) While walking barefooted, it we happen to step on a sharp piece of stone, we immediately lift our foot up. which of the two organs, A or E, is directly involves in this action? (e) If we step out from a darkened room into bright sunshine, we close our eyes for a moment. Which of the two organs, A or E, is directly involves in this action?