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Into the human digestive system, mucus is used as a lubricant for materials that must passover membranes e.g, food passing down the esophagus. A layer of mucus around the inner walls of stomach is vital to protect the cell things of that organ from the highly acidic environment with in it.
Answer:
The biomolecular data used for such calculations are usually nucleotide sequences for DNA, RNA, or amino acid sequences for proteins.
Muscles constantly contract and relax to help fight gravity.<span>
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