Today's question was sent in by a LOT of you! Lizzie, Reuben, Archie, Mack and Ruth would like to know 'How do babies grow in a mummy's tummy?', Luana wants to know "Why do babies have blood on them when they're born?" and Grayson and Mackenzie want to know, 'How are babies really made?"

Follow Nij and the kids along with Professor Tu'uhevaha Kaitu'u-Lino as we imagine ourselves inside a uterus to see how babies grow inside the body...

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