Look at the pictures of a baby, a child and an adult on the slides.
Which of these people is youngest? Which of these people is oldest? How do you know?
From the time you are born, you grow until you become an adult. Which parts of your body do you think grow as you get older?
Look at the slides about the stages of human development.
Your body grows in proportion. This means that as your feet get bigger, your legs get longer, your arms get longer and your hands get bigger. Did you know that your foot is the same size as your forearm? Take off your shoes and check!