The Brain (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many nerve cells does the human brain contain?
How many nerve cells does the human brain contain?
90 billion
What are the two main functions of cerebrospinal fluid (CSF)?
What are the two main functions of cerebrospinal fluid (CSF)?
Cushions brain & transports nutrients/waste
What percentage of all nerve cells are found in the cerebrum?
What percentage of all nerve cells are found in the cerebrum?
75%
What is the function of the corpus callosum?
What is the function of the corpus callosum?
Connects the two cerebral hemispheres
Why does the cerebral cortex appear grey?
Why does the cerebral cortex appear grey?
It contains cell bodies of nerve cells
Which two functions is the cerebellum responsible for?
Which two functions is the cerebellum responsible for?
Muscular coordination & balance
What happens to learned movements once the cerebellum takes over?
What happens to learned movements once the cerebellum takes over?
They become automatic or involuntary
What role does the thalamus play in the brain?
What role does the thalamus play in the brain?
Acts as sorting centre for sensory info
Which brain region regulates homeostasis factors like temperature and appetite?
Which brain region regulates homeostasis factors like temperature and appetite?
Hypothalamus
Which vital involuntary functions does the medulla oblongata control?
Which vital involuntary functions does the medulla oblongata control?
Breathing rate & heart rate
Which side of the body does the right cerebral hemisphere control?
Which side of the body does the right cerebral hemisphere control?
Left side
How many protective layers of meninges surround the brain?
How many protective layers of meninges surround the brain?
Three