Chapter 3

Reproduction and Growth in Humans

How do we grow from a tiny baby to a big adult? Let's find out about growing up!

Where do babies come from?

Humans reproduce by having babies. A mother and a father have a baby, and this is how new people join our family. Babies are small and need lots of love and care to stay healthy and happy.

Key idea

Humans grow in stages: baby, child, teenager, then adult. As we grow, we get taller and heavier.

Growing up

A tiny baby drinks milk and is cared for by parents. It grows into a child who can walk, talk and play. Later a child becomes a teenager, and then a grown-up adult. Along the way we learn many new things, like reading, writing and cycling. Eating good food and sleeping well help us grow.

Example

Look at your baby photo and a photo of you now. You have grown taller and can do so much more!

Remember

  • The first stage is a baby.
  • We grow taller and heavier.
  • The last stage is an adult.

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