.
Iris muscles
Ciliary muscles
Extrinsic muscles
All of these
None of these
They produce sharp images, when excited
They are used in bright light
They are used for perception of colors
They need retinol to work
They are less numerous than the rods
Macula
Lens
Iris
Pupil
None of these
Malleus
Incus
Stapes
Stirrup
Anvil
Choroid
Vitreous body
Sclera
Cornea
Retina
To contract to squeeze oil from the sebaceous glands
To squeeze the sweat out of glands
To raise the hairs in upright position
To contract in order to produce heat for heat regulation
None of these
Hair root
Arrector pili muscle
Sebaceous glands
Sweat glands
Keratin
Collection of sensory information
Protection from microbes
Production of Vitamin D
Regulation of body temp
Absorption of water
Prolonged pressure that cuts of circulation
Necrosis caused by bacterial infection
Skin burn by rubbing
Fungal infection of the skin
Auricle
Cochlea
Vestibule
Semicircular canals
None
Cochlea
Vestibule
Semicircular canals
All the above
Malleus
Vestibule
Pinna
Tympanic membrane
Sclera
Cornea
Conjunctiva
Choroid
Humor
To collect sound waves
To amplify sound waves
To excite neurons of auditory nerve
To interpret sound waves
Aqueous humor
Vitreous body
Choroid
Crystalline lens
Retina
Cochlea
Vestibule
Semicircular canals
All the above
Photoreceptor
Chemoreceptor
Proprioreceptor
None- all of these are special sense receptors
Vision
Hearing
Equilibrium
Position
Contains pressure receptors
Is composed of dead cells
Contains touch receptors
Contains blood vessles
Cochlea
Vestibule
Semicircular canals
All the above
To move the eye ball
To constrict the pupil
To diate the pupil
To adjust thickness of the lens
Ear canal
External auditory canal
Semicircular canal
Eustachian tube
Stage 1
Stage 2
Stage 4
Stage 5
Gyrus
Sulcus
Longitudinal fissure
None
Amygdala
Hippocampus
RAS
Cerebral cortex
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