The Fluid Filled Cochlea. The pressure changes in the cochlea caused by sound entering the ear travel down the fluid filled tympanic and vestibular canals which are filled with a fluid called perilymph.
Those who love the size of the original iPad Mini 1 will be pleased to find that the size remains unchanged. Both the iPad Mini 1 and the iPad Mini 2 both measure in with a height of 7.87 inches and a width of 5.3 inches. The iPad Mini has only a slight difference in depth, while it weighs slightly more. However, it is still lightweight enough for anyone who wants a small and portable tablet.
The 12.9-inch iPad Pro's design is unchanged, but the 10.5-inch iPad Pro is a new model that replaces the previous 9.7-inch iPad Pro. The 10.5-inch iPad Pro is 20% bigger, with the larger display made possible through a small size increase and bezels that are 40% thinner.