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.
Currently, English and Chinese speakers dominate the Internet, representing 27 percent and 24 percent of total global Internet users, respectively, with Spanish in third place (8 percent). Based on current growth rates, the total number of Chinese-language Internet users will overtake English language users by 2015.