The Human Body By Cadance
SKELETON Milk can make your bones stronger. You have 206 bones, and 602 muscles. The brain always controls your body, the largest organ in your body is your skin. Lungs help us breath and we need our bones and muscles to move.
THE RESPIRATORY SYSTEM Lungs always help you breath every day and night. They are made out of tiny air sacks called cells THE RESPIRATORY SYSTEM
The heart has lots of tubes for the blood to come to and from The heart is always on the left and it is always pumping when you are alive THE HEART