What Registered Nurses Do. Registered nurses (RNs) provide and coordinate patient care, educate patients and the public about various health conditions, and provide advice and emotional support to patients and their family members. Registered nurses work in hospitals, physiciansâ offices, home healthcare services, and nursing care facilities.
The basic function of the outer ear or pinna is to protect the eardrum (tympanic membrane). The outer ear also functions to collect sound waves to the eardrum through the ear canal. The second component of the external ear is the auditory ear canal or meatus.
The function of the ear is to convert physical vibration into an encoded nervous impulse. Introduction The ear is divided, semi-artificially, into three regions: Outer Ear, Middle Ear and Inner Ear. The Outer Ear The Outer Ear consists of Pinna or external ear, Meatus or ear canal, the Tympanic membrane or the eardrum.The most important function of the pinna in hearing is the capture and localization of the sound.he function of the ear is to convert physical vibration into an encoded nervous impulse. Introduction The ear is divided, semi-artificially, into three regions: Outer Ear, Middle Ear and Inner Ear. The Outer Ear The Outer Ear consists of Pinna or external ear, Meatus or ear canal, the Tympanic membrane or the eardrum.