The Brain Flashcards
How much of it is made of water?
80% water
What is the average weight of a brain? Is it dense?
Dense - average weight is 1.5kg
Are there millions, billions or trillions of brain cells?
Billions.
What percentage of brain cells are active neurons?
Only 10%
Up to how many extensions (dendrites) can neurons grow?
Up to 20.
What else can the brain be described as?
The control centre of your body.
What 6 things is the brain responsible for?
Clue: CIPREM
Creativity, intelligence, perceptions, reactions, emotions and memories.
How do both brain hemispheres communicate?
By the corpus callosum.
What 2 things can the brain be divided into?
The right and left hemispheres.
Is the cerebrum conscious or unconscious?
Conscious.
How much volume of the brain does the cerebrum take up?
90%
What is the cerebrum responsible for? (Detailed)
Higher order thinking, problem solving, conscious thought, learning, senses, remembering, memory, speech, voluntary actions, personality.
Is the cerebellum conscious or unconscious?
Unconscious.
How much of the brain does the cerebellum take up?
10%
Where is the cerebellum found?
Under the cerebrum.