The iPhone 6s and 6s Plus are made from a 7000 Series aluminum alloy, which is stronger and more durable than the 6000 series used in the previous-generation iPhones. Apple's also updated the devices with stronger glass, made using a dual ion exchange process.
Sacral Nerves. The brain tells the bladder and bowel what to do by sending electrical signals to the muscles in the pelvic floor, the sphincters, the urethra as well as the bladder and rectal area. The messages or impulses sent by the brain to the pelvic area are carried by a system of special fibres called nerves.
(1) Mixed nerve. (2) Transmits taste impulses and general sensations from the tongue and pharynx (sensory function) to the brain. (3) Contracts the swallowing muscles in the pharynx and stimulates secretions of the salivary glands. (1) Mixed nerve.(2) Transmits taste impulses from the tongue to the brain (sensory function). (3) Contracts the muscles of facial expression and stimulates secretion of salivary and lacrimal glands (motor function). (1) Sensory nerve. (2) Transmits hearing and balance impulses from the inner ear to the brain.1) Mixed nerve. (2) Transmits taste impulses and general sensations from the tongue and pharynx (sensory function) to the brain. (3) Contracts the swallowing muscles in the pharynx and stimulates secretions of the salivary glands. (1) Mixed nerve.