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vladimir1956 [14]
3 years ago
9

While sitting in class, sherman suddenly experiences a racing heart, clammy hands, dizziness, and shaking. sherman has many of t

he symptoms typical of?
Biology
1 answer:
muminat3 years ago
5 0

The symptom of Sherman in which she exhibits is typical of panic attack. Her symptom such as racing of the heart, clammy hands, dizziness and shaking is sign that Sherman is having a panic attack. Panic attack could occur any time and it makes a person exhibit feelings such as having fear with a particular thing or event that could trigger it. It last within minutes, typically less or until ten minutes. A person who has a panic attack is likely to have an episode of like this again, though the causes are not specified, it makes the person who has this to feel vulnerable and exhibit symptoms in which he or she is likely afraid or has fear with something.

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3 years ago
identify the subcellular structure of the neuron that forms the basis for the transmission of nerve impulses. (2 points) describ
melisa1 [442]

The subcellular structures of neuron that forms the basis for transmission of nerve impulses are the synaptic vesicles.

What are the steps in impulse transmission between neurons?

  • The action potential or nerve impulse reaches the <u>axon</u> of neuron and depolarises the membrane.
  • Voltage gated Calcium channels open .
  • Arrival of action potential causes the synaptic vesicle to attach to presynaptic membrane.
  • Calcium influx triggers release of neurotransmitter.
  • This neurotransmitters bind to postsynaptic membrane and new impulses are created.

Synaptic vesicle under resting condition:

  1. The neurotransmitter molecules are stored in synaptic vesicles.
  2. If the neurotransmitter leak from the vesicles, they are destroyed by enzymes.
  3. During resting condition, they are placed randomly.
  4. When an impulse reaches the axon, vesicles are arranged in the presynaptic membrane.

Thus from the above we can conclude that, synaptic vesicles are the subcellular structures in transmission of nerve impulses and , under resting condition they are placed randomly.

To know more about transmission of nerve impulses :

brainly.com/question/840056

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4 0
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What are the characteristics of the central nervous system? Select all that apply.
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