A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue...
One is the presence of villi and microvilli in the small intestines
that increase the surface area for which food is absorbed. Second is the presence
of goblet cells that secrete mucus to prevent self-digestion of the
tract lining. Another is the specialized enzymes in different regions of the digestive tract
that specialize in digesting particular foods.
The answer is heavy/dense
They are Nucleic Acids, Proteins, Carbohydrates, and Lipids
Answer:
Answer in bold
When the fertility rate falls below replacement level, the population grows older and shrinks, which can slow economic growth and strain government budgets.
Explanation:
