The Nervous System Flashcards
(4 cards)
1
Q
The structure of nerve cell and what it’s job is
A
- long axon and thin
- Adapted to carry signals from one point to another
- Fat insulated
2
Q
What is a synapse
A
The gap between neurons, where signals are passed from one to another in one direction
3
Q
How are electric signals passed along the neurones?
A
When a electric signal hits the end of a neuron, it causes a release of a chemical which diffuses across the gap and trigger anothe electric signal.
4
Q
How does the signal from a stimulus travel to the brain?
A
Stimulus
Receptors
Sensory neuron
Synapse
Relay neuron
Synapse
Motor neuron
Effector
Response
