Today at the zoo, Maddie learns how the food we eat can help to keep us fit and healthy. She discovers that the energy from food helps us to move around and uses her special time-lapse camera to see how a zebra spends almost all its time eating grass and moving! She learns that lions stay strong by eating lots of protein and our bodies need protein from food to stay strong too. Next, Maddie visits the crocodiles and uses her special camera on a pole to see their sharp teeth. She finds out that crocodiles have lots of teeth, and when one falls out, another one grows in its place! She explains that unlike the crocodiles, our adult teeth don’t grow back, so we keep our teeth clean by brushing them with a toothbrush. She heads to the camel enclosure and uses her special camera on a pole to see how the fibres from tree bark help to keep a camel’s teeth clean, a bit like our toothbrush!