However, the Marine will not have served the required 8 months time in grade until 15 January 2004. Based on the eligibility requirements listed in paragraph 2400 the first promotion quarter the Marine will be eligible is January, February and March 2004.Note the Marine is not eligible for promotion 1 January 2004 because they did not meet the 8 months time in grade requirement until 15 January 2004.ased on the eligibility requirements listed in paragraph 2400.1b, the first promotion quarter the Marine will be eligible for promotion to Cpl is April 2005. Note that the Marine is not eligible for promotion 1 January 2005 because he/she did not meet the 8 months time in grade until 15 January 2005.
The inner ear is made up of two components. The cochlea is involved with hearing. The vestibular system helps with balance. The cochlea is a snail-shaped chamber filled with fluid. It is lined with special sensory cells called hair cells. These cells transform sound waves into electrical signals.
Visible on the exterior of the head is the auricle, the external part of the ear that extends from the head.... Click to read more below. The ear is a group of sensory organs in the head that collaborate to produce the sense of hearing. Together these organs perform the amazing function of converting sound waves in air into electrical signals to transmit to the brain. The ear also contains several special structures that produce the bodyâs sense of equilibrium, or balance. Three major regions make up the ear: the outer ear, middle ear, and inner ear. The outer ear consists of the exterior structures of the ear, the auricle and external auditory canal.