本分册通过男孩女孩之间童真的对话，展示了生命的孕育过程，包括精子和卵子的结合，受精卵的形成，在胎盘、脐带等的帮助下，小宝宝在子宫里孕育长大的过程等，体现了生命奇妙的成长历程。
解开生命孕育的神秘面纱，展示生命奇妙的成长过程。
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