Why Are Slow-Twitch Muscles Dark

question 29

Multiple Choice

Why are slow-twitch muscles dark?

• A) They have many more myofibrils per motor unit than fast-twitch fibers.
• B) They are designed for strength and explosions of energy.
• C) They need less blood than fast-twitch fibers.
• D) They contain myoglobin.
• E) They have fewer mitochondria.

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Definitions:

Workers

Individuals who perform tasks or services for wages or salary in various types of employment or labor.

Aggregate Supply Curve

Represents the total quantity of goods and services that producers in an economy are willing and able to supply at different price levels.

Potential Output

The maximum level of economic productivity that can be maintained in the long run without causing inflation to rise.

Governmental Intervention

Actions taken by a government to affect the economy, which can include regulations, subsidies, and taxes.