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.
She said all root beer has caffeine because her boyfriend says so. I told her she was wrong and said, Root beers have no caffeine, Pepsi has the second least amount, Coke Classic third, followed by Barq's. Jolt Cola has the most caffeine of any pop.. She denied this and told me that Mountain Dew had the most caffeine.