grade 9 - sense organs
DESCRIPTION
Grade 9 - Sense Organs Let's Enjoy It! :)TRANSCRIPT
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