Presented by Kami Dykes
Receptors and Somatic Senses 1.___ are receptors that are sensitve to changes in the
concentrations of chemicals. 2.Whenever tissues are damaged, ___ receptors are likely to be
stimulated. 3. Receptors that are sensitive to temperature changes are called
___. 4.___ are sensitive to changes in the light energy. 5.___are sensitive to changes in pressure or to movement of fluid. 6. A sensation may seem to fade away when receptors are
continuously stimulated as a result of ___ adaptation. 7. The body can only stand water heated to ___.
Chemoreceptors 120 F sensory pain thermoreceptors photoreceptors mechanoreceptors
Word Bank
Temporal bone
auricle
Semi-circular canalsVestibulocochlear
nerve
cochlea
Eustachian
Tympanic membraneExternal Acoustic meatus
Ear
Semicircular canals- contains endolymph
Stapes
Vestibulochlear nerve (auditory)
Tympanic membrane
Incus
Malleus
Cochlea
Vestibule
External Ear
Eustachian
Tube
AuricleSemicircular canals
Incus
Malleus
Stapes Cochlea
Vestibulochlear nerve (auditory)
Oval windowRound windowTympanic cavity
Pharynx
Tympanic membrane
External acoustic meatus
The Ear Auditory tube
Ceruminous gland External auditory
meatus Malleus
Osseous labyrinth Scala tympani Scala vestibuli
Stapes Tectorial membrane
Tympanic cavity Tympanic membrane
vestibule
Auditory ossicle attached to tympanic membrane
Air-filled space containing auditory ossicles
Contact hair of hearing receptors Leads from oval window to apex of
cochlea S-shaped tube leading to tympanic
membrane Wax-secreting structure Cone-shaped, semitransparent
membrane attached to malleus Auditory ossicle attached to oval
window Bony chamber between the cochlea
and semicircular canals Bony canal of inner ear in temporal
bone Connects middle ear and pharynx Extends from apex of cochlea to round
window 12-26
sclera
iris
pupil
corneamuscle
Iris
Pupil
Lens
Vitreous humor
Sclera
Optic disc- blind spot
Fovea centralis
Retina
Structure of the Eye
Lateral rectus
Retina
Choroid coatSclera
Vitreous humor
Fovea centralis
Optic nerve
Optic disc
Posterior cavityMedial rectus
Anterior chamberPosterior chamber
Anterior cavity
Ciliary body
Suspensory ligaments
Iris
Lens
Pupil
Cornea
Aqueous humor
Aqueous humor
Cornea Iris
Lacrimal gland Lysozyme Optic disc
Retina Sclera
Vitreous humor
White part of outer tunic Transparent anterior portion of
outer tunic Secretes tears Fills posterior cavity of eye Area where optic nerve
orginates Smooth muscle that controls
light intensity Fills anterior and posterior
chambers of the anterior cavity Contains visual receptors call
rods and cones Antibacterial agent in tears
Structure of the Eye
3 Knives Experiment
Use two cold knives with a hot knife in the middle.
The brain flips out and senses it as pain.
Melissa Mr. Jones