The Brain (Leaving Cert Biology): Flashcards
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Practise the cards
15 cards from this deck
Approx. nerve cells in human brain
Approx. nerve cells in human brain
90 billion
Three protective layers around brain
Three protective layers around brain
Meninges
Location of CSF
Location of CSF
Between inner two layers of meninges
Two functions of CSF
Two functions of CSF
Cushions brain; transports nutrients/waste
Largest part of brain
Largest part of brain
Cerebrum
% of nerve cells in cerebrum
% of nerve cells in cerebrum
75%
Bridge connecting cerebral hemispheres
Bridge connecting cerebral hemispheres
Corpus callosum
Outer layer of cerebrum
Outer layer of cerebrum
Cerebral cortex
Cerebellum location in brain
Cerebellum location in brain
Back (hindbrain)
Two main cerebellum functions
Two main cerebellum functions
Muscular coordination and balance
Cerebellum's effect on learned movements
Cerebellum's effect on learned movements
Makes them automatic/involuntary
Thalamus function
Thalamus function
Sorting centre for sensory information
Two main hypothalamus roles
Two main hypothalamus roles
Regulates homeostasis and hormones
Medulla oblongata location
Medulla oblongata location
Top of spinal cord/connects to brain
Why medulla called 'life centre'
Why medulla called 'life centre'
Controls vital involuntary functions (breathing, heart rate)