My favorite, lysosomes. These break down old cells parts and remove waste. They do this by releasing enzymes that can break down food particles, old cell parts and engulfed bacteria and viruses. Did you know that if the cell knows its health is poor the lysosome will kill the it's own cell.
You know the acronym ROY G. BIV? we the order of the colors are in order from longest wavelength to smallest wavelength.
A. El Nino/ C.the Gulf Stream
The answer should be the contraction of muscles.
Hope this helps mate.
