The Activities of Cells in Different Layers of the Tubular

question 4

Multiple Choice

The activities of cells in different layers of the tubular gastrointestinal tract are regulated by clusters of nerves located in the submucosa.These nerve complexes are called

• A)villi.
• B)serosa.
• C)epithelia.
• D)plexuses.

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Definitions:

Rusting

The chemical process involving the oxidation of iron or steel, resulting in the formation of iron oxides, particularly Fe2O3 and Fe3O4.

Redox Reactions

Chemical reactions where electrons are transferred between two substances, involving oxidation and reduction processes.

Neutralization Reactions

Chemical reactions in which an acid and a base react quantitatively to form water and a salt.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms.