What are the organisms living within your body that give you the ability to use the force?

.. with the right knowledge of course. in the first star wars movie, the phantom menace.. qui gon jinn sends obi won kenobi a blood sample from anakin skywalker to search for those organisms, which he ended up having more than any jedi.. even master yoda. so to all my other star wars lovers, help me out! i can't believe i have forgotten what they are called0_o