Senses And The Nervous System Flashcards
0
Q
Stimulus
A
A stimulus is something that causes a response
e.g. Running away from a dog
1
Q
Sensitivity
A
Detecting and responding to a stimulus
2
Q
Nervous system
A
Brain spinal cord, all the nerves
3
Q
Sensory nerve
A
Sends a message from the brain to a muscle
4
Q
Motor nerve
A
sends a message from the brain to a muscle
5
Q
Lens
A
Focuses the light onto the retina
6
Q
Nervous system
A
Brain, spinal cord, all the nerves
7
Q
Sensory nerve
A
Sends a message to the brain from the sense organ
8
Q
Motor nerve
A
Sends a message from the brain to a muscle
9
Q
Messages
A
Are sent along nerves as pulses of electricity
10
Q
The eye contains
A
The cornea iris lens pupil retina optic nerve and ciliary muscle