5.4 nervous system
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Slide 1 - Diapositive
Slide 2 - Diapositive
Organ that responds to a stimulus from the environment
Stimulus from the environment
Are located in a sense organ
Electrical signals
Carry impulses to the brain
sense organ
stimulus
sensory cells
Impulses
nerves
Slide 3 - Question de remorquage
Iris
sclera
Pupil
tear duct
tear gland
eyebrow
The part of your eye around the iris.
The colored part of your eye.
Black hole in your eye.
Produces tear fluid.
Protects your eye from dust and sweat.
Carries away dust and dirt to your nose.
Slide 4 - Question de remorquage
retina
optical nerve
lense
sclera
choroid
Slide 5 - Question de remorquage
sclera
retina
chroroid
Detects light stimuli.
protects everything inside the eye.
contains the blood vessels that transport substances needed by the eye.
Slide 6 - Question de remorquage
The ear’s job is to detect stimuli. What is the stimulus for the ear?
A
light
B
sound
C
impulse
D
taps
Slide 7 - Quiz
Sound vibrations enter your ear.
In what order do the vibrations pass through the parts of your ear?
In what order do the vibrations pass through the parts of your ear?
A
Eardrum – auditory ossicles – cochlea.
B
Eardrum – cochlea – auditory ossicles.
C
Auditory ossicles – eardrum – cochlea.
D
Cochlea – eardrum – auditory ossicles.
