State whether the following statements are true / false. Correct the statements If false.
(a) Impulse transmission across electrical synapse is faster than that of chemical synapse.
(b) During polarisation of axonal membrane, outer surface is negatively charged and inner surface is positively charged.
(c) Middle layer of cranial meninges is called pla mater.
(d) Cerebellum is responsible for controlling respiration and gastric secretions.
(e) Visible coloured portion of the eye Is Iris.
