The vagus nerve is used to regulate the heartbeat and the muscle movement necessary to keep you breathing. This nerve also regulates the chemical levels in the digestive system so that the intestines can process food and keep track of what types of nutrients are being gained from the food that is taken in.he vagus nerve is used to regulate the heartbeat and the muscle movement necessary to keep you breathing. This nerve also regulates the chemical levels in the digestive system so that the intestines can process food and keep track of what types of nutrients are being gained from the food that is taken in.
which group of elements are niether metals or nonmetals these are te metalloids boron silicon germanium arsenic antimony tellurium these elements in the solid state have characteristics of both metals and non metals their chemistry also has similarities to both metals an non metals 1 person found this useful answered by the wikianswers community
All elements have luster, just different types. Metals have very shiny lusters. Nonmetals have very dull lusters. Metalloids are usually a mixture of the two, or one of the ot â¦ her.For example, Silicon is very brittle (like most nonmetals are) but has a shiny luster (like most metals).etals have very shiny lusters. Nonmetals have very dull lusters. Metalloids are usually a mixture of the two, or one of the ot â¦ her. For example, Silicon is very brittle (like most nonmetals are) but has a shiny luster (like most metals).