Complex sentence: The word mitochondrion comes from the Greek,, i.e. thread ", and,, i.e." granule "or" grainitochondria range from 0.5 to 1.0 μm in diameter.
Split into simpler sentences: The word mitochondrion comes from the Greek,, i.e. "thread", and,, i.e. "granule" or "grain-like". Mitochondria range from 0.5 to 1.0 μm in diameter.