1.6- The Nervous System Flashcards

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1
Q

What are two main parts to the nervous system?

A

• The central nervous system (CNS) – the brain and
spinal cord.
• The peripheral nervous system – nerves taking
information from sense organs into the CNS, and nerves taking information from the CNS to effectors (muscle
or glands).

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2
Q

What are receptor cells?

A

Special cells adapted to detect stimuli.

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3
Q

What are effectors?

A

Glands or muscles that carry out a response.

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4
Q

How are neurones adapted to their functions?

A
  • Long
  • Have an insulating sheath to prevent impulses from leaking away
  • Branched endings so they can communicate with many other neurones
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