Please help us keep the links up to date. Let us know if you have trouble with anything. There is not one cell , but many different types of cells . Cells are like people. Look around you and you will see that everyone has their own job.
Cells are the same.
They all have their own job, and are therefore specialised. A good site to explain cells. This a great site for online exploration of the heart, complete with sound effects. Follow the blood through the blood vessels. Wander through the weblike body systems.