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Answer:
All preganglionic neurons of the ANS are cholinergic.
All postganglionic neurons of the ANS have cholinergic receptors
Postganglionic sympathetic neurons release norepinephrine to the heart muscle cells
Some ANS neurons use dopamine as their neurotransmitter
Explanation:
Autonomic nervous system (ANS) consists of:
- sympathetic nervous system -responsible for the "fight and flight" reactions (stressful situations but also for maintaining homeostasis). Short preganglionic neurons release acetylcholine which binds to its receptors on the postganglionic cell. Postganglionic neurons release norepinephrine, epinephrine or dopamine (in kidneys).
- parasympathetic nervous system -opposite to sympathetic system, responsible for "rest and digest" reactions (body activities at rest). Long preganglionic neurons release acetylcholine which binds to its receptors on the postganglionic cell. Postganglionic neurons release acetylcholine.
- enteric nervous system-controls digestion
Autonomic nervous system(ANS) is a division under the peripheral nervous
system which is responsible for the functioning of muscles and glands.
Their properties include:
- All preganglionic neurons of the ANS are cholinergic.
- All postganglionic neurons of the ANS have cholinergic receptors
- Postganglionic sympathetic neurons release norepinephrine to the heart muscle cells
- Some ANS neurons use dopamine as their neurotransmitter
The autonomic nervous system have preganglionic neurons of the ANS are
cholinergic and cholinergic receptors which they bind to.
The Postganglionic sympathetic neurons of the ANS release
norepinephrine to the heart muscle cells while some use dopamine as a
neurotransmitter.
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