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Autonomic nervous system
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Overview of ANS

Akshaya Ranade is teaching live on Unacademy Plus

Akshaya Ranade
BAMS, MA Political Science with 4+ years of teaching experience; Appeared for UPSC mains 5 times and MPSC Mains twice.

U
Unacademy user
awesome course especially the history of evms... could u pls tell which type of majority was required to bring in 61 c in representation of people's act 1951... thanks
Madam, after BAMS you have done Political Science great mam, i admire your way of expressing is really good
Akshaya Ranade
a month ago
Thanks for your kind words. Hope the lessons help you in your preparation
mam plz use some hindi also u teach so nice
plz upload more lessions thank u
Akshaya Ranade
9 months ago
Expect new lessons in coming week. Thanks
  1. Autonomic Nervous System An overview


  2. Nervous System NERVOUS SYSTEM PERIPHERAL CENTRAL EFFERENT AFFERENT BRAIN SPINAL CORD AUTONOMIC SOMATIOC


  3. ANS 1. Parasympathetic 2. Sympathetic 3. Enteric Peripheral system includes all those neurons and ganglia found outside CNS Efferent neurons:1. somatic (motor neurons for voluntary movement, respiration and posture) 2. Autonomic( parasympathetic and sympathetic)


  4. Ganglia ANS carries nerve impulse by : preganglionic fibre (leaves from CNS), postganglionic fibre ( to the effector)


  5. Origine Parasympathetic division : CRANIOSACRAL (cranial nerves II VII, IX, X, S2-S4) Sympathetic system: THORACOLUMBAR (T1-T12, L1-L5) synapse at paravertebral ganglia


  6. Parasympathicus Sympathicus dilates pupils inhibits saliva production a1 ON PUPILS B2 BRONCHIOLES, BLOOD VESSELS, GUT AND BLADDER B1 HEART Cerebrum Brain) M3 ON PUPIL BRONCHIOLE, GUT AND BLADDER constricts pupils increases saliva production sympa- thetic dilates bronchi reduces the heart rate 2 chain constricts bronchia M2 HEART AND BLOOD VESSELS rises the heart rate stimulates the activity of the digestive organs inhibits the acitivity -. of the digestive organs stimulates the activity of the pancreas inhibits the activity of the pancreas stimulates the gall bladder inhibits the galbladder stimulates the adrenal medulla to release adrenaline and noradrenaline 3 constricts urinary bladder relaxes urinary bladder stimulates erection of genitals of man and woman stimulates orgasnm in genitals of man and woman