If the Muscles of a Weightlifter and a Marathon Runner

question 23

Multiple Choice

If the muscles of a weightlifter and a marathon runner were compared, the marathon runner would have

• A) more mitochondria in each muscle cell.
• B) larger muscle cells.
• C) more muscle cells.
• D) both A and C.

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Definitions:

Clutch Control

The mechanism or system that engages or disengages the engine from the drivetrain in a manual transmission vehicle.

Caterpillar CX

A series of industrial power transmission components, such as heavy-duty automatic transmissions, made by Caterpillar Inc. for various applications.

DMM

Digital Multimeter, an electronic measuring instrument that combines several measurement functions in one unit, such as voltage, current, and resistance.