3.6.2 - Nervous Coordination Flashcards
1
Q
What order is info conducted in, in the nervous system ?
A
Stimulus
Receptor
Coordinator
Effector - Response
2
Q
What is a stimulus ?
A
An energy change in the environment
3
Q
What is a receptor ?
A
A cell that detects change i.e - Pacinian corpuscle
4
Q
What is a coordinator ?
A
This is something that receives nerve impulses from the receptor and makes a decision.
5
Q
What is an effector ?
A
Muscle or gland which produces a response : either a chemical release or a muscle contraction.
6
Q
What is more likely to happen to organisms that respond appropriately to stimuli ?
A
They maintain themselves in a favourable environment and are more likely to survive and pass on their genetics to the next generation.
7
Q
A
