Nervoussystem9
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the nervous system, components of the nervous system, central nervous system, brain, spinal cord, parts of brain
Nervoussystem9
- 3. COMPONENTS OF NERVOUS SYSTEM CENTRALNERVOUSSYSTEM(CNS) PERIPHERALNERVOUSSYSTEM(PNS) AUTONOMICNERVOUSSYSTEM(ANS) NERVOUSSYSTEM
- 4. CENTRAL NERVOUS SYSTEM BRAIN SPINAL CORD CENTRAL NERVOUS SYSTEM BRAIN: LARGEST PART, TWO HEMISPHERES, HIGHLY CONVOLUTED, OUTER GREY AND INNER WHITE SPINAL CORD: LIES WITHIN NEURAL CANAL INNER GREY AND OUTER WHITE. IT IS THE CENTRE OF REFLEX ACTION
- 5. PARTS OF BRAIN CEREBRUM CEREBELLUM MEDULLA OBLONGATA BRAIN
- 6. CEREBRUM: IT CONTROLS CONSCIOUS AND UNCONSCIOUS MIND IT ALSO CONTROLS MEMORY AND REASONING CEREBELLUM o MAINTAINS BODY BALANCE o IT COORDINATES MUSCULAR ACTIVITY MEDULLA OBLOMGATA CONTROLS INVOLUNTARYACTIONS LIKE BEATING OF HEART RESPIRATION BLOOD PRESSURE
- 7. PERIPHERAL NERVOUS SYSTEM CRAINAL NERVES (12 PAIRS) SPINAL NERVES (31 PAIRS) PNS
- 9. SYMPATHETIC : DILATES PUPIL CONSTRICTS BLOOD VESELS OF SKIN STIMULATES SWEAT GLANDS ACCELERATES HEART BEAT PARASYMPATHETIC: RESTORES NORMAL BODY CONDITIONS