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 ear is the organ of hearing and balance. The ear consists of: External or outer ear, consisting of: Pinna or auricle. This is the outside part of the ear. External auditory canal or tube. This is the tube that connects the outer ear to the inside or middle ear. Tympanic membrane (also called the eardrum).