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What else can I help you with?
Is acetylcholine the substance released by axonal endings of the somatic efferent fibers and by the parasympathetic nerve fiber endings?
Yes, it does. In contrast, the sympathetic nerves release adrenaline
Why does the heart pumps when the person is scared?
We have sympathetic and parasympathetic nerves. When we are fightened or scared, sympathetic nerves trigger impulse into the brain in order to release adrenaline. This adrenaline makes the heart beat faster because more oxygen is required. This helps us cope from stress.After a while parasympathetic nerves send impulse to reduce the release of adrenaline and the heart starts beating normally
What do nerves have to do with exocytosis?
Nerves nerve endings that release neurotransmitters (eg. Acetylcholine) that initiate action potential to the innervated organ causing dpolarization, etc. This can be released through exocytosis.
Does parasympathetic nerves secrete norepinephrine?
No. They secrete acetylcholine only.
What are some important neurotransmitters?
Acetylcholine, adrenaline, noradrenaline, serine GABA. dopamine etc.
What nerves send electrical signals to your heart?
The autonomic nervous system consists of the sympathetic and parasympathetic branches that regulate the heart rate. The sympathetic nerves release neurotransmitters such as norepinephrine to increase heart rate, while the parasympathetic nerves release acetylcholine to decrease heart rate.
What neurotransmitter is found at the synapse between nerves and human skeletal muscle cells?
Acetylcholine is the neurotransmitter at the neuromuscular junction.
Which neuro transmitter released from ganglionic of the parasympathetic division?
Nor-adrenaline is secreted at post ganglionic sympathetic synapses. There is re-uptake of Nor-adrenaline by nerve ending and only partially destroyed there by the enzyme C.O.M.T. There is no enzyme like acetylcholinesterase present there as in post ganglionic parasympathetic synapse to destroy the acetylcholine.
Is acetylcholine part of the nervous system?
Yes. It is a neurotransmitter used in the brain, the peripheral autonomic nerves, and the junction between nerves and muscles.
What were Sarah's symptoms and how do they relate to the blockage of acetylcholine release from motor neuron synaptic terminals?
Sarah experienced muscle weakness, fatigue, and difficulty with coordination, which are symptoms commonly associated with neuromuscular disorders. These symptoms relate to the blockage of acetylcholine release from motor neuron synaptic terminals because acetylcholine is crucial for transmitting signals from neurons to muscles, facilitating contraction. When its release is inhibited, the communication between nerves and muscles is disrupted, leading to the observed weakness and impaired motor function.
What stops the release of adrenaline?
Propanalol (Inderal) has been shown to stop the release of adrenaline. Google it.
Why is it important for the release of acetylcholine to stop and for enzymes to destroy any remaining acetylcholine in the neuromuscular junction?
it has caca
