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level 3 animal biology > the brain > Flashcards

the brain Flashcards

1
Q

what are the main 3 sections of the brain?

A
  • forebrain
  • midbrain
  • hindbrain
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2
Q

what are the components that make up the forebrain?

A
  • cerebrum
  • cerebral cortex
  • thalamus
  • hypothalamus
  • pituitary gland
  • olfactory bulbs
  • optic nerve
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3
Q

what is the function of the cerebrum?

A
  • initiates and co-ordinates movement
  • contains 90% of all neurons in the nervous system
  • split into 4 lobes
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4
Q

what is the purpose of the cerebral cortex?

A

grey matter in the brain responsible for “intelligent” behaviour

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5
Q

what are the four lobes in the cerebrum?

A
  • frontal lobe
  • parietal lobe
  • occipital lobe
  • temporal lobe
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6
Q

what is the function of the frontal lobe?

A

responsible for voluntary muscle movement, memory, thinking and planning

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7
Q

what is the function of the parietal lobe?

A

responsible for receiving and processing sensory information

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8
Q

what is the function of the occipital lobe?

A

responsible for receiving and processing visual information

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9
Q

what is the function of the temporal lobe?

A

aids in memory formation and language/speech production

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10
Q

what is the thalamus’ function?

A

to process information from the sense organs and relay to the cerebral cortex

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11
Q

what is one function of the hypothalamus?

A
  • secretes releasing hormones to be sent to the pituitary gland
  • helps control the ANS
  • helps aid homeostasis
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12
Q

what is the purpose of the midbrain?

A

acts as a pathway for fibres running from the hindbrain to the forebrain carrying the senses of hearing and sight

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13
Q

what does the midbrain contain?

A

the reticular formation (RF)

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14
Q

what is the reticular formation’s purpose?

A

to receive and transmit information (sensory and motor) between the brain and the body

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15
Q

what are the components that make up the hindbrain?

A
  • cerebellum
  • pons
  • medulla oblongata
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16
Q

what is the cerebellum’s function?

A
  • controls balance and co-ordination of the body
  • receives information from the semicircular canals of the inner ear
17
Q

what is the pons and what is its function?

A
  • a bridge of nerve fibres between the brain and the spinal cord
  • controls respiration
18
Q

what is the medulla oblongata’s function?

A

maintaining automatic bodily functions such as breathing and digestion

level 3 animal biology (12 decks)

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