Cells
Cells are the basic building blocks of tissues. All cells experience changes with aging. They become larger and are less able to divide and multiply. Among other changes, there is an increase in pigments and fatty substances<span> inside the cell (lipids).</span>
Determine how heavy the piece of plastic is and if it's light than it is most likely to float
Answer:
amino acids
Explanation:
one of the bases or examples of proteins
Polysaccharides would give you immediate energy burst I think
True it gets that through the blood vessels in the umbilical cord
