Neurons- I. Introduction Flashcards
1
Q
A. What’s a neuron?
A
the basic structural and functional unit of the nervous system (excitable membrane)
2
Q
what can neurons do?
A
store memory, think, communicate with other neurons, regulate organs and glands because they are 1. excitable 2. conduct impulses and 3. release specific chemical regulators (neurotransmitters)
3
Q
B. What kind of cells are neurons?
A
single cells
4
Q
What are neurons sensitive to?
A
decreased oxygen
5
Q
Can neurons divide mitotically?
A
NO!
- the number is fixed at birth
- the number of connections (synapses) can change
