question_answer

   (a) Name the part of brain which controls (i) voluntary action,         (ii) involuntary action. (b) What is the significance of the peripheral nervous system? Name the components of this nervous system and distinguish between the origin of the two.

Answer:

                  (a) (i) Voluntary actions Cerebellum (ii) Involuntary actions Medulla                      (1) (b) The communication between the Central Nervous System (CNS) and the other parts of the body is facilitated by the Peripheral Nervous System (PNS). Cranial nerves arise from the brain; spinal nerves arise from the spinal cord.                 (1)