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tbby5065
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How is the autonomic
nervous system different
from somatic nervous
system?
- 1.Mostly involuntary
- 2.Reflex arcs include
- ____ motor neurons
- 3.No myelination in
- __________ motor
- neuron
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Sympathetic Final neurotransmitter =
Norepinephrine
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Parasympathetic Final neurotransmitter=
Acetylcholine
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Nicotinic receptors –
Muscarinic receptors -
-
-mostly excitatory
-excitatory (e.g., digestive gland secretion) or inhibitory (e.g., cardiac muscle)
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Parasympathetic _________ in ______ stress
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Enteric Nervous System
1.
2.
- 1. 100 million neurons in gut
- 2. Can operate independently of CNS
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