A ________ Is an Open Channel Inside a Tubular Structure

question 52

Multiple Choice

A ________ is an open channel inside a tubular structure, such as the esophagus, small intestine, and large intestine.

• A)haustra
• B)lumen
• C)sphincter
• D)fundus

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Definitions:

Subsidy

A financial contribution granted by the government or a public body to help an industry or business keep the price of a commodity or service low.

Marginal Costs

The increase in cost resulting from the manufacture of one additional unit of a good or service.

Decreasing Costs

Situations in which costs diminish as the level of production or scale of operations increases.

Efficiency

The extent to which time, effort, or cost is well-used for the intended task or purpose.