They are primarily responsible for maintaining and changing posture, locomotion, as well as movement of internal organs, such as the contraction of the heart and the movement of food through the digestive system via peristalsis.
Internet Users in the U.S.A. (2016*) 1  Share of U.S. Population: 88.5 % (penetration) 2  Total Population : 324,118,787. 3  Share of World Internet Users: 8.4 4  %. Internet Users in the World: 3,424,971,237.
Furthermore, online Americans report their Internet use affects the proportions of these affairs in their everyday lives. 1  88% of online Americans say the Internet plays a role in their daily routines. Of those, one-third say it plays a major role, and two-thirds say it plays a minor role.