All of the Following Mechanisms Help Move Lymph Through the Lymphatic

question 11

Multiple Choice

All of the following mechanisms help move lymph through the lymphatic vessels except

• A) contraction of skeletal muscles.
• B) tiny lymph hearts.
• C) contractions of smooth muscle in the wall of the lymph vessels.
• D) body movements during exercise.

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Definitions:

Fixed Cost

Costs that do not vary with the level of output, remaining constant even if production is zero.

Variable Costs

Costs that change in proportion to the level of production or business activity, such as materials and labor directly involved in manufacturing.

Lawn-mowing

The act of cutting the grass of a lawn to maintain its appearance and health.

Perfectly Competitive

A market structure where there are many buyers and sellers, all of whom have negligible impact on the market price.