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CNS (Brain & Spinal Cord). Higher centres of intelligence. Cerebrum. Sensory perception. Control of voluntary muscles. Spinal Cord. Mid brain. Pons Varolii. Relay Station. Link between brain and PNS. Relay Station. ANS Unconscious control. Autonomic reflex activity.
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CNS (Brain & Spinal Cord) Higher centres of intelligence Cerebrum Sensory perception Control of voluntary muscles Spinal Cord Mid brain Pons Varolii Relay Station Link between brain and PNS Relay Station ANS Unconscious control Autonomic reflex activity MedullaOblongata Reflex centres Sympathetic and parasympathetic nerves Sympathetic Increases reaction Parasympathetic Decreases reaction To maintain homeostasis Cerebellum Coordination of Voluntary muscles (posture/balance/precision) PNS Spinal Nerves = bundled together in groups (plexus) along length of spinal cord from which sensory/motor nerves spread out to whole body, both giving and receiving information. Cranial Nerves = Mixed nerves originating in the brain that are concerned with maintenance of homeostasis in all body systems. Go into the Medulla Oblongata.