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Animal Biology > the autonomic nervous system > Flashcards

the autonomic nervous system Flashcards

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1
Q

what is the autonomic nervous system controlled by?

A

the hypothalamus

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2
Q

what are the two divisions of the autonomic nervous system?

A

parasympathetic
sympathetic

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3
Q

what does the parasympathetic system do?

A

rest and digest
restores normal body function

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4
Q

what does the sympathetic system do?

A

fight or flight
prepares the body for physical activity

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5
Q

what is the neurotransmitter in the parasympathetic system?

A

acetylcholine (ACh)

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6
Q

what is the neurotransmitter in the sympathetic system?

A

noradrenaline (NA)

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7
Q

in the parasympathetic system:
what happens to the eyes?

A

pupils constrict

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8
Q

in the parasympathetic system:
what happens to the salivary gland?

A

stimulation of salivary gland

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9
Q

in the parasympathetic system:
what happens to the heart?

A

heartbeat slows

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10
Q

in the parasympathetic system:
what happens to the lungs?

A

bronchi constrict

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11
Q

in the parasympathetic system:
what happens in the stomach?

A

digestion is stimulated

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12
Q

in the parasympathetic system:
what happens to the liver?

A

bile release is stimulated

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13
Q

in the parasympathetic system:
what happens to the intestines?

A

peristalsis and secretion are stimulated

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14
Q

in the parasympathetic system:
what happens in the bladder?

A

the bladder contracts

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15
Q

in the sympathetic system:
what happens in the eyes?

A

pupils dilate

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16
Q

in the sympathetic system:
what happens in the salivary glands?

A

salivation is inhibited

17
Q

in the sympathetic system:
what happens in the heart?

A

heartbeat is accelerated

18
Q

in the sympathetic system:
what happens in the lungs?

A

the bronchi dilates

19
Q

in the sympathetic system:
what happens in the stomach?

A

digestion is inhibited

20
Q

in the sympathetic system:
what happens in the liver?

A

glucose release is stimulated

21
Q

in the sympathetic system:
what happens in the kidney?

A

epinephrine and norepinephrine release are stimulated

22
Q

in the sympathetic system:
what happens in the intestines?

A

peristalsis and secretion are inhibited

23
Q

in the sympathetic system:
what happens in the bladder?

A

bladder relaxes

Animal Biology (20 decks)

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