The term which describes the breaking down of body cells or substance is CATABOLISM.
The metabolic processes which occur in living things are of two types, these are anabolic and catabolic processes. The anabolic process involves the building up of needed materials in the body while the catabolic process involves the breaking down of waste materials in the body in order to eliminate them through excretion.
The mass of an object stays the same no matter what you do to it.
Creativity can play a role in the construction of scientific questions and hypotheses, because if your creative you make creative ideas which lead to creative answers which make it easy for whatever the subject is. imig. i think thats right at least
Lysosomes
They store waste in the cell until it is ready to be disposed
Because an organism needs even more cells to help it function better and change as it grows (like metamorphosis and yes, puberty :p) and if the same amount of cells stay then the organism's cells will be functioning and working harder.....so cells divide so many different ones can continue to work on different parts of the organism as it grows and changes. Plus it'd be weird if we only had like 1 thousand cells in our body from mothers' pregnancy the size of hi-polymer erasers (the big ones)..........