Module 8 - The Central Nervous System Flashcards
0
Q
Adult brain uses about how much of the body’s blood supply?
A
20%
1
Q
How many neurons in the average adult brain?
A
About 100 billion
2
Q
Adult brain makes up how much of the body’s weight?
A
3%
3
Q
Gray matter:
A
Collections of neuron cell bodies and their associated neuroglia
4
Q
White matter:
A
Bundles of parallel axons and their coverings
5
Q
Decussation
A
The anatomical crossing over of neurons from left to right
6
Q
Vital functions:
A
Those functions of the body necessary for life
7
Q
Commissures
A
Connections of neuron axons that allow two hemispheres of the brain to communicate with one another
