The substance is called DNA.
This condition is called atrophy.
I think that question is true don’t but not sure
Cancer cells<span> can </span>spread to other<span> parts of the </span>body<span> through the bloodstream or lymphatic system. There they can start to grow into new tumours.</span>
Answer:
Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That's because all cells are surrounded by a structure called the cell membrane — which, much like the walls of a house, serves as a clear boundary between the cell's internal and external environments.
Explanation:
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