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 latest in Apple's lineup include the iPad Pro, which super-sizes the screen to 12.9 inches and is compatible with a new keyboard and stylus, the iPad Air 2, which is compatible with the new side-by-side multitasking, and the iPad Mini 4, which is basically a smaller iPad Air 2.