Human nervous system Flashcards
1
Q
what make up the automatic control system?
A
- receptors
- coordination centre
- effector
2
Q
what do the receptors do?
A
detect stimuli
3
Q
what do the effectors do?
A
respond to the impulses
4
Q
what are reflexes?
A
rapid and automatic responses that don’t involve the conscious part of the brain
5
Q
what is the path a impulse travels for a response?
A
- STIMULUS
- SENSORY NEURON
- SYNAPSE ( between sensory and relay)
- RELAY
- MOTOR NEURON
- EFFECTOR ( eg. muscle )
6
Q
What makes up the CNS?
A
Brain + spinal cord
7
Q
What is a nerve?
A
A bundle of neurones
8
Q
What is a synapse?
A
gap at the junction between two nerve cells, which nerve signals must cross
