The answer is the <span>Immune system</span>
Because it contains DNA, the nucleus can be considered to be the cell's ... It is like a conveyor belt that helps to move substances through the cell factory. ... These (above) go through the chloroplast.
Multicellular organisms have various levels of organization within them. Individual cells may perform specific functions and also work together for the good of the entire organism. The cells become dependent on one another. I hope that makes sense
