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.
Two important sacral nerves to the functioning of the bladder and bowel are the pudendal nerve and the pelvic splanchnic nerve. Through a series of reflexes and signals the nerves and the bladder and bowel coordinate with the pelvic floor muscles and external urinary and anal sphincters.
Vagal Nerve Stimulation. Vagal nerve stimulation is a treatment used to reduce the frequency and intensity of seizures when medications aren't effective. The vagus nerve is one of many nerves that carry messages to and from the brain. It helps regulate internal organs such as the heart and stomach. Nerve fibers within the vagus nerve are connected to the part of the brain believed to be responsible for producing seizures. This procedure involves placing a small electric stimulator in the neck around the vagus nerve and a power source near the armpit or chest.