Biopsychology - The Divisions of the Nervous System Flashcards

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1
Q

What is the nervous system?

A

A network of cells in the human body, the body’s internal communication system.

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2
Q

What is the function of the nervous system?

A

To collect, process and respond to information from the environment and to control organs and cells in the body.

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3
Q

What is the nervous system split up into?

A

Central Nervous System (CNS) and Peripheral Nervous System (PNS)

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4
Q

What is the Central Nervous System split up into?

A

The Brain and the Spinal Cord

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5
Q

What is the function of the brain?

A
  • Receives and processes information from the senses
  • Responsible for higher mental functions
  • Initiates responses
  • Stores memories
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6
Q

What is the function of the Spinal Cord?

A
  • Conducts signals to and from the brain
  • Connects nerves to the PNS
  • Controls reflex actions
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7
Q

What is the Peripheral Nervous System made up of?

A

Autonomic Nervous System (ANS) and Somatic Nervous System (SNS)

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8
Q

What are the functions of the Autonomic Nervous System?

A
  • Responsible for involuntary responses for vital functions (e.g breathing, digestion, heart rate)
  • Controls smooth + cardiac muscles and glands
  • ANS Control centres are in the brain stem.
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9
Q

What are the functions of the Somatic Nervous System?

A
  • Responsible for voluntary movements such as walking
  • Transmits information from the brain to control skeletal muscles
  • Connects the CNS and the senses
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10
Q

What are the 2 branches off the Autonomic Nervous System?

A

Sympathetic branch and Parasympathetic branch

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11
Q

What does the Sympathetic Branch do?

A

Fight or Flight Response

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12
Q

What does the Parasympathetic Branch do?

A

Conserve & restores body energy when relaxed (Rest + Digest)

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