Senses and the Nervous System Flashcards
0
Q
Stimulus
A
A stimulus is something that causes a response e.g
1
Q
sensitivity
A
Detecting and responding to a stimulus
2
Q
nervous system
A
brain, spinal cord, all the nerve
3
Q
sensory nerve
A
sends a message to to the brain from the sense organ
4
Q
motor nerve
A
sends a message from the brain to a muscle
5
Q
messages
A
are sent along nerves as pulses of electricity
6
Q
the eye contains
A
iris, the cornea, pupil, retina, optic nerve and ciliary muscle
