The infantry brigade combat team, as of 2014, contains 4,413 soldiers and is organized around three battalions of infantry. Each type of brigade (light infantry, air assault, or airborne) has the same basic organization.
2.1 Structure and function of the outer and middle ear. Figure 1 is a diagram of the human ear. The outer ear consists of the visible part of the ear or pinna, the external auditory canal (meatus) , and the tympanic membrane (tympanum) or eardrum.The human pinna is formed primarily of cartilage and is attached to the head by muscles and ligaments.igure 1 is a diagram of the human ear. The outer ear consists of the visible part of the ear or pinna, the external auditory canal (meatus) , and the tympanic membrane (tympanum) or eardrum.
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.