Show:
Trivia
Structure
Vertebrate NS
Grab Bag
Final Jeopardy
100
100 billion or 10^11 or 100 000 000 000 neurons
How many neurons the brain estimated to contain
100
A nerve net is used to describe
The nervous system of hydras; jellies; and other organisms with radial symmetry
100
A rapid involuntary response to a particular stimulus
What is a reflex?
100
Transmits information to and from the CNS
What is the function of the PNS
100
The function of oligodendrocytes
What is axon myelination in CNS
200
An fMRI can map activity in the brain by detecting ___,
changes in blood oxygen
200
A bundle of nerve cell axons
What is a nerve?
200
true/false: Humans have ganglia
True
200
Part of the brain focused on emotion and motivation
What is the limbic system
300
Our thought processes reside in this portion of the cerebrum.
What is the cortex / gray matter?
300
An evolutionary trend toward a clustering of sensory neurons and interneurons at the anterior end
What is cephalization