Form 2 Science

Eye Nose Tongue

Chemicle substances in the air Chemicle substances in the food Light

Enable light in to the eye Maintain the shape and protect the eye Prevent light refrection

The mucus is blocking the air getting into the nose There are no mucus in the nose There are too many mucus

Eye ball too long Eye ball too short Eye lens too thin

anchor firmly to the ground get water and mineral from the soil protect them self

Ear pinnar,Oval window Semi-circular canal,Eardrum Semi-circular canal,Eustachian tube

Cold , Heat , Touch Pain , Heat , Touch Pressure , Pain , Cold

20Hz - 20 000Hz 20Hz - 20 00Hz 2Hz - 200Hz

Hearing using both ear Hearing using both ear and one ear each different time Hearing using only one ear

gravity touch water

Protect the aqueous humour Protect the cornea Protect the whole eye