Grade 9 - Sense Organs

awan

Oval window

Ossicles (malleus,

incus, stapes)

To deliver vibration from the eardrum to the oval

window

Pinna Catch vibration from surroundings

Ear canalTo deliver vibration from the surroundings to the

eardrum

EardrumConcreting vibration and

delivering vibration to the ossicles

Eustachian

Equalizes the air pressure in the middle ear with the

atmosphere

3 Semicircular

canals

Give us our sense of balance

CochleaTo accept vibration and to

deliver vibration to Auditory nerve

Auditory nerve To accept impuls from Cochlea to the brain

Heat RuffiniTouch MeissnerPain free nerve endingsCold KrausePressure Pacini