The nervous system- PAPER 2 Flashcards
1
Q
what is the function of the Human Nervous System?
A
To allow humans to react to their surrounding and co ordinate their behavior.
2
Q
what is the order in which a response is carried out in the Nervous System?
A
Stimulus—–> Receptor —–>Sensory neuron —–>CNS —–>Motor neuron —–> Effector —–>response
3
Q
What is the role of the stimuli?
A
To detect changes in the environment.
4
Q
What are receptors?
A
Cells that detect a stimuli.
5
Q
What is a sensory neuron?
A
Neurons that Carry info as electrical impulses from the receptor to the .
6
Q
What is a motor neuron?
A
Neurons that carry electrical impulses form the CNS to the effector.
7
Q
What is an effector?
A
A muscle or a gland that responds to electrical impulses.