frf
Classified in Biology
Written at on 
English with a size of 750 bytes.
THE EAR: has three parts: outer ear:auricle and ear canal. Middle ear: eardrum, eustachian tube and chain of ossicles. Inner ear: semicircular canals and cochlea. THE EYE: its formed of three layers: retina, choroid and sclera. The aqueous humour, the iris, the crystalline lens, the vitreous humour and the anatomical blind spot. THE SKIN: krause's corpuscle, hair follicle, the pacinian corpuscle, the adipose cells, the rufini corpuscle, the sebaceous gland, arrector pili, sweat gland, meissner's corpuscle and merkel's corpuscle. There are three layers: epidermis, dermis and hypodermis.