Sympathetic and parasympathetic nervous system 

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Respected dr Campbell sir another value information on sympathetic and parasympathetic nervous system great 23/01/2020

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Thanks my lovely Dr John 💟 Just I have to mention that 12:00 under sympathetic stimulation of liver : leads to activate glycogenolysis NOT Gluconeolysis .

i have a problem in identifying the cranial nerve route that extend towards the organs if they go directly from the brain or take the spinal region to reach their destination in sympathetic and parasympathetic nervous system .

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But this is INCORRECT (ca. 5 to 7 minutes).... respiration RATE and DEPTH are NOT controlled or regulated by the sympathetic (autonomic) nervous system. Rate and depth of respiration are aspects of the mechanical function of the lungs and thorax - controlled by the SOMATIC nervous system... the phrenic nerves that innervate and control the diaphragm, and the intercostal nerves that innervate and control the intercostal muscles (the diaphragm & intercostals are striated/skeletal muscles). The mechanics of respiration, both automatic and voluntary, and under SOMATIC control NOT autonomic. Autonomics ONLY influence airway diameter via airway smooth muscle... parasympathetic vagal innervation --> bronchoconstriction; epinephrine (aka adrenaline; from the adrenals) --> beta-2 --> bronchodilation; the sympathetic innervation has little effect on bronchial smooth muscle because NE (aka noradrenaline) from sympathetic terminals has little effect on beta-2 receptors).

Great explanation

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well done dr. it is still useful for us

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Thank you.. "The powers of the sympathetic nerve are neither entirely physical nor spiritual, but are between the two (systems). The nerve is connected with both. Its phenomena shall be perfect when its spiritual and physical relations are normal." ~ Baha'i Faith

Bookmarked! Thank-you Doc!

Thanks, that was very helpful

Wow this is so interesting

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Very interesting.

dr. john can you teach on the vagus nerve? thanks

Sympathetically Liked!

Isn't it glycogenolysis instead of glucogenolysis????

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Good Explanation☝️

Great thx sir

Thanks well explained

Thank you, professor

nice

Thank you Sir....

Just understand the sympathic and parasympathetic system

Ty 😊

thnq sir thnq so much