Main Function
This system helps our body by letting us pick up things like a puppy or a pencil. The organs and parts that make up this system are heart, biceps, and triceps. This system works with the skeletal and the digestive systems. Your biceps grow bigger every day. It takes 17 muscles to smile and 42 muscles to frown. The hardest working muscle is your eye. The largest muscle in your body is the Gluteus Maximus.
This system helps our body by letting us pick up things like a puppy or a pencil. The organs and parts that make up this system are heart, biceps, and triceps. This system works with the skeletal and the digestive systems. Your biceps grow bigger every day. It takes 17 muscles to smile and 42 muscles to frown. The hardest working muscle is your eye. The largest muscle in your body is the Gluteus Maximus.