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
Approximately how many nerve cells are in the human brain?
Approximately how many nerve cells are in the human brain?
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 does the cerebrum contain?
What percentage of all nerve cells does the cerebrum contain?
75%
Which side of the body does the right cerebral hemisphere control?
Which side of the body does the right cerebral hemisphere control?
Left side
What structure connects the left and right cerebral hemispheres?
What structure connects the left and right cerebral hemispheres?
Corpus callosum
Why does the cerebral cortex appear grey?
Why does the cerebral cortex appear grey?
It contains nerve cell bodies
Which of these is NOT controlled by the cerebral cortex?
Which of these is NOT controlled by the cerebral cortex?
Heart rate
Where is the cerebellum located in the brain?
Where is the cerebellum located in the brain?
Back (hindbrain)
What important role does the cerebellum play in learned movements?
What important role does the cerebellum play in learned movements?
Makes them involuntary/automatic
What is the main function of the thalamus?
What is the main function of the thalamus?
Sorts sensory information
Which brain region is primarily responsible for regulating homeostasis?
Which brain region is primarily responsible for regulating homeostasis?
Hypothalamus
Why is the medulla oblongata called the 'life centre' of the brain?
Why is the medulla oblongata called the 'life centre' of the brain?
It controls vital involuntary functions