Science >> Biology for Kids. Muscles are how we move and live. All movement in the body is controlled by muscles. Some muscles work without us thinking, like our heart beating, while other muscles are controlled by our thoughts and allow us to do stuff and move around. There are over 650 muscles in the human body.
Send Feedback. Caffeine Free Coke is the same in every way to Coca-Cola classic except it contains no caffeine. There is also caffeine free versions Diet Coke and Coke Zero for those that love the taste of Coke, but don't want the caffeine.
Interestingly, according to the website Death by Caffeine, US Diet Pepsi contains only 35mg/12oz can, while Pepsi Cola contains 38mg (a reverse of the UK situation), although Coca-Cola Classic contains 34mg/12oz can compared with 45mg per can of Diet Coke; UK Diet Pepsi is also significantly stronger than its US peer.