How Your Body Works

Body growth begins at the cellular level. From the start of life to the growth spurts of teens, it's the tiny, basic units of life that make everything people do possible. Much about our cells and DNA is the same, but each person on Earth has unique trait

Digesting a meal takes the body hours! The process begins in the mouth with saliva and moves to the stomach, which is full of acid that outside of the body could do some serious harm. From burping to the tiny villi in the small intestine, this volume incl