<span>EUBACTERIA...............................................
</span>
Some electromagnetic waves have a long wavelength (radio and microwaves) but other have a smaller wavelength (xrays and gamma rays) and therefore it can penetrate your skin and cells and destroy/mutate then which can cause cancer.
Leeuwenhoek - Advanced microscope
Schleiden - Plants made of cells
Schwann - Animals made of cells
Virchow - New cells from old cells
Heart,vessels,circulating fluids
