Topic 6: Coordination Flashcards
(4 cards)
1
Q
what are the three types of neurone?
A
-sensory neurone
-relay neurone
-motor neurone
2
Q
what is a reflex?
A
a quick, automatic response that protects the body. It bypoasses the brain for speed
3
Q
what is a synapse?
A
the small gas between neurones where impulses are passed using neurotransmitters
4
Q
name seven parts of the eye and what they do
A
cornea: refracts light into the eye
iris: controls the size of the pupil
pupil: allows light to enter the eye
lens: focuses light onto the retina
retina: contains light receptors
optic nerve: carries impulses to the brain
