Meet the incredible bone cells.
They look like alien spaceships, and work incessantly to shape and build our bones.
Join Johnny and his friends on their unusual adventure and discover just what happens when you break a bone in your body.
ענת שבי
Isn't our body amazing? I've always thought so. Working as a pharmacist in many countries, I've found that people everywhere – and children in particular – want to understand what happens when our body gets sick or injured, and how
