The Senses Flashcards
What are the 5 senses?
Touch Taste Smell Sight Hearing
What is the main organ of touch?
The skin
The toungue
Main organ of taste
What is the main organ of smell?
The nose
What is the main organ of sight?
The eye
The eye:
Conjunctiva
The membrane around the eye which protects the eye
The eye:
Sclera
Is a tough, white coat that holds the eye in place
The eye:
Cornea
The front part of the eye which allows light in to the eye
The eye:
Choroid
Nourishes the eye
The eye:
Retina
Contains light receptors, rods and cones
The eye:
Fovea
Is where most images are focused
The eye:
Blind spot
The optic nerves leave the retina
The eye:
Optic nerve
Carries impulses to the brain
The eye:
Lens
Focuses light on the retina
The eye:
Iris
The colored part of the eye
The eye:
Pupil
The black circle which slows light in the eye
The eye:
Ciliary muscles
Change the shape of the lens
The eye:
The aqueous and vitreous humours
Keep the eye in shape
The ear:
Pinna
Collects vibrations
The ear:
Auditory canal
Carries vibrations to the eardrum
The ear:
Eardrum
Carries vibrations to the middle ear
The ear:
Ossicles
Increase the vibrations and pass them to the cochlea
The ear:
Eustachian tube
Connects the middle ear with the pharynx
The ear:
Cochlea
Converts vibrations into electrical impulses that are sent to the brain
How is balance detected?
The vestibular apparatus from the semicircular canals
Name a hearing disorder
Glue ear
How is glue ear caused?
Too much sticky fluid in the middle ear
How can glue ear be treated?
Grommets
