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.
Can anyone deny the profound impact the internet has had on our lives? With the rapid growth of the internet worldwide, we have truly become a global society connected unlike ever before.Currently there are approximately 2,405,518,376 internet users in the world, that's more than a 566.4% increase since 2000!As the use of the internet progresses and changes with technology, as does our world!an anyone deny the profound impact the internet has had on our lives? With the rapid growth of the internet worldwide, we have truly become a global society connected unlike ever before.