If you lived on the moon, you’d have to exerci…

If you lived on the moon, you’d have to exercise for hours a day to maintain bone and muscle mass. That’s because the moon’s gravity is just one-sixth that of the Earth, and the everyday strain of working against gravity is part of what keeps our bodies healthy.

From the TED-Ed Lesson What would it be like to live on the moon? – Alex Gendler

Animation by Allen Laseter