Examlex
Carl Sagan asked,"Who speaks for Earth?" Give an answer as to who does,who doesn't,who should,and why they should.
Goblet Cells
Specialized epithelial cells found in the respiratory and intestinal tracts, secreting mucus to lubricate and protect the mucous membranes.
Granular Cells
Cells containing granules that release substances involved in various bodily functions, such as inflammation or blood pressure regulation.
Nutrients
Substances obtained from food that are essential for the maintenance of bodily functions and growth.
Segmental Contractions
Segmental contractions refer to the type of muscle contractions in the digestive tract that mix and move the contents back and forth but don't necessarily move them along the tract.
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