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.
Each hair cell is connected to a neuron from the cochlear branch of the vestibulocochlear nerve that transmits auditory information to the brain. Static equilibrium-the sense of which direction gravity is pulling on the body-is detected by the otolithic membranes in the vestibule of the inner ear.lick 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.