The biggest part of the nervous system is the brain. Special cells in the brain send information to the rest of your body, telling it what to do. Lisa has just discovered that scientists at Sick Kids can grow cells in their labs. Sometimes they grow cells to help them understand what makes people sick. Then they can test new medicines in the lab instead of on people.
Scientists can also grow cells to help make people better.
When a person is burned in a fire, sometimes their skin is too damaged to heal itself. Just like plastic wrap. All rights reserved.