Biopsychology (second part)

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What is the role of the nervous system?
The nervous system is a highly organised collection of neurons that convey info around the organism and between the organism and it's environment.
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What is the role of the central nervous system?
The central nervous system is a division of the nervous system. Its role is the processing of incoming information and the preparation of responses.
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What is the role of the brain?
The brain is a division of the central nervous system. It is the control centre for the nervous system and many of the body's other systems. It is capable of very complex information processing.
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What is the role of the spinal chord?
The spinal chord is a division of the central nervous system
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What is the role of the peripheral nervous system?
The peripheral nervous system is a division of the nervous system. Its role is to transmit info from the environment to the central nervous system, and from the central nervous system to other parts of the body.
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What is the role of the somatic nervous system?
The somatic nervous system is a division of the peripheral nervous system. It consists of sensory nerves, which carry information from the environment to the CNS, and motor nerves, which carry instructions from the CNS to the skeletal muscles.
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What is the role of the autonomic nervous system?
The autonomic nervous system is a division of the PNS. It monitors and consists activities of the internal organs and is involved in homeostatic functions.
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What is the role of the sympathetic nervous system?
The sympathetic nervous system is a division of the ANS. It consists of a series of connections from the spinal chord to the major internal organs. It becomes more active when we are doing anything that requires an expenditure of energy.
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What is the role of the parasympathetic nervous system?
The parasympathetic nervous system is a division of the ANS. It consists of a series of connections between the brain and internal organs. It is active mosts of the time, controlling homeostatic functions and ensuring that we conserve energy.
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What is the role of the endocrine system?
The endocrine system is a system of control that uses chemicals.
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What is the endocrine system made up of?
The endocrine system is made up of a series of glands that produce hormones . The glands produce and release their own hormone that affects particiular organs of the body.
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What do the testes do?
The testes control puberty in males, cause sperm production and strengthen bones.
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What hormone does the testes produce?
Testosterone.
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What organs does testosterone target?
The male reproductive organs.
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What hormone do the adrenal glands produce?
Adrenalin and nonadrenalin.
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What organs does adrenalin and nonadrenalin target?
Vital organs such as the liver and the heart.
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What is the role of adrenalin and non-adrenalin?
They prepare the body for action in threatening situations in the 'fight or flight' response.
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What hormone is produced by the pituitary gland?
The pituaitary gland produces growth hormone.
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What organs does growth hormone target?
The growth hormone targets all cells in the body.
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What does growth hormone do for the body?
Growth and repair.
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What physical characteristics are seen in someone who is stressed?
Heart beats faster, go paler, start sweating, breathing quickens, pupils widen.
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How does the flight or fight response prepare the body to deal with threats?
The body readies itself when it is threatended, it prepares you to fight or run away.
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Which part of the brain triggers the fight or flight response?
Hypothalemus - controls function of organs within the body.
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Which part of the autonomic nervous system is involved in the response?
Sympathetic nervous system.
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What changes does the sympathetic nervous system cause?
Increased oxygen intake, slows down digestive system, adrenal gland produces adrenalin, glucose sent to the muscles for respiration.
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What role does adrenalin play in the response?
Adrenalin maintains the high level of activation in the sympathetic nervous system. It makes ACTH be released from the pituitary gland.
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What role does ACTH play in the response?
ACTH stimulates the adrenal glands to release corticosteroids.
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What role does corticosteroids play in the response?
Corticosteroids changes blood sugar levels, increase blood pressure, increase the reaction to injuries.
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Why does the fight or flight response increase heart rate?
It speeds up blood flow to vital organs because blood contains oxygen.
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Why does the fight or flight response increase breating rate?
To result in increased oxygen intake for respiration.
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Why does the flight or fight response cause muscle tension?
To improve reaction time and speed.
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Card 2

Front

What is the role of the central nervous system?

Back

The central nervous system is a division of the nervous system. Its role is the processing of incoming information and the preparation of responses.

Card 3

Front

What is the role of the brain?

Back

Preview of the front of card 3

Card 4

Front

What is the role of the spinal chord?

Back

Preview of the front of card 4

Card 5

Front

What is the role of the peripheral nervous system?

Back

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