Human Nervous System and Sense Organs Mechanism
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Questions and Answers

What is the function of a presynaptic neuron?

  • Space between two communicating cells
  • Junction site between neurons
  • Receiving cell
  • Firing neuron that releases neurotransmitters (correct)

Which part of the synapse is the space where communication occurs between two neurons?

  • Postsynaptic neuron
  • Presynaptic neuron
  • Synaptic cleft (correct)
  • Neurotransmitter

What is the function of a postsynaptic neuron?

  • Chemical junction site between neurons
  • Receiving cell that responds to neurotransmitters (correct)
  • Electrical transmission between cells
  • Non-direct touching of other cells

Which type of synapse involves ions flowing directly between cells?

<p>Electrical synapse (A)</p> Signup and view all the answers

What do mechanoreceptors respond to?

<p>Mechanical forces like pressure and vibration (A)</p> Signup and view all the answers

Which receptor type is crucial for the sense of touch?

<p>Mechanoreceptor (A)</p> Signup and view all the answers

Where are most mechanoreceptors found?

<p>Skin (D)</p> Signup and view all the answers

Which part of the neuron releases neurotransmitters at a synapse?

<p>Presynaptic neuron (A)</p> Signup and view all the answers

What is the space between the two communicating neurons called?

<p>Synaptic cleft (C)</p> Signup and view all the answers

What is the main function of a postsynaptic neuron at a synapse?

<p>Receive neurotransmitters released by the presynaptic neuron (B)</p> Signup and view all the answers

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