§5.1 Flashcards
1
Q
What is a stimulus?
A
Any external or internal change that causes a reaction
2
Q
What is a response ?
A
Your reaction to a stimulus
3
Q
What are sensory receptors?
A
Specialised cells
4
Q
What are nerve impulses?
A
Sensory receptors convert stimuli into electrical signals to which your body can respond. The electrical signals
5
Q
What are neurons?
A
Specialised cells that conduct nerve impulses to their destination
6
Q
What are effectors?
A
Organs that make the respons possible.
7
Q
What is a voluntary response?
A
A response that is your decision
8
Q
What is an involuntary response?
A
A response you cannot stop (for example growling your stomach when you are hungry)
