Intotduction To The Brain Flashcards
What is the average weight of the brain?
6 Kg
How many neurons are in the brain
About 10 billion
What is the brain to body mass of a human?
1/40
What three things protect the central nervous system?
Bone
Meninges
Cerebral spinal fluid
What is the meninges?
A thick rubbery layer surrounding the spinal cord
How many layers make up the meninges?
3 layers
What is the function of the meninges?
Controls what goes in and out of your brain through your blood system
Acts as a filter
What is the cerebral spinal fluid?
Thick fluid
Where is the cerebral spinal fluid found?
A thin layer around the brain and central nervous system
Found in cavities in the brain
What is the cerebral spinal fluid’s function
Support the structure of the brain
What are the three parts of the brain?
Hindbrain
Midbrain
Forebrain
What happens as we move up and forward in the brain
The functions get more complex
