o D Melvin and Gilda Berger I SCHOLASTIC Melvin and Gilda Berger SCHOLASTIC INC. New York Toronto London Auckland Sydney Mexico City New Delhi Hong Kong Buenos Aires How does your body work? ,. l Y~,r:) Fun Fact A baby has more bones than a grown-up. Your body has bones. Your bones help you sit and stand. Fun Fact Most muscles are connected to bones. Your body has muscles. Your muscles help you move. Fun Fact Your heart is about as big as your fist. Your body has a heart. Your heart pumps blood through your body. Fun Fact Your brain is almost as big as the brain of a grown-up. Your body has a brain. Your brain lets you think. Fun Fact You rub off bits of old skin when you wash. Your body has a skin. Your skin keeps out dirt. Fun Fact Your body needs food and exercise for growth and energy. Your body grows bigger. Your body grows stronger. Your body is amazing! ISBN 0-439-77363-6 ~ II111I111111111111111111 9 780439 773638

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