LET’S FIND OUT THE HUMAN BODY THE MUSCLES IN YOUR BODY BOBI MARTIN
4 Throwing and catching a ball is a good way to work the muscles in your hands arms and shoulders MUSCLES WORK AROUND THE CLOCK Muscles are an important part of your body Anything you can imagine yourself doing uses muscles You need muscles to run throw a ball or ride a bike You also use muscles at times when it seems like you are not doing anything It takes muscles to smile read a book or swallow food Even when you are sleeping many of your muscles
5 are still hard at work Muscles in your digestive system are turning the food you ate for dinner into fuel for your body The muscle in your heart is beating and pumping blood Muscles in your chest are helping you breathe Your muscles work all day and all night too Why don’t all of your muscles sleep when you do Why is this important THINK ABOUT IT When people are asleep they breathe more slowly but many of their muscles are still working hard 5
