Deanna and her twin brother, Leo, are cleaning the house. They worked hard all morning, and the house is looking great! While they’re feeling motivated, they decide to clean and organize the attic. In an old trunk, they find a photograph from when they were newborns. Wow! The twins can’t believe it.
Look at those tiny feet and hands! Can you believe we were once that small? I wonder if Mom kept those little hats. Do you think they’re in the trunk, too?
Cleaning the attic can wait a bit. Deanna and Leo decide to take a break and look through the trunk for more pictures from when they were little.
In this lesson, you will review all the systems that make up the human body. You will get an overview of human development from before birth through old age. And you will look at the specific developmental changes that happen during adolescence.
