Senses and the nervous system Flashcards
1
Q
Stimulus
A
A stimulus is something that causes a response e.g. A loud noise stimulates me to jump
2
Q
Nervous system
A
Brain, spinal, all the nerves
3
Q
Sensory nerve
A
Sends a message to the brain from the sense organ
4
Q
Motor nerve
A
Sends a message from the brain to a muscle
5
Q
Messages are sent along nervous as pulses of electricity
A
Are sent along nervous as pulses of electricity
6
Q
The eye contains
A
The cornea, iris, lens, pupil, retina, optic, nerve and ciliary muscle
7
Q
Sensitivity
A
Sensitivity is detecting and responding to a stimulus
