Myoglobin

question 141

Multiple Choice

Myoglobin

• A) can store small amounts of O₂.
• B) increases the rate of O₂ transfer from the blood into muscle fibers.
• C) is abundant in fast-glycolytic fibers.
• D) both (a) and (b) above.
• E) all of these answers.

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Definitions:

Serotonin

A neurotransmitter important in the regulation of mood, anxiety, and happiness, among other functions.

Major Mood Swings

Significant fluctuations in emotional state that can impact an individual's behavior and perception.

Dopamine

A neurotransmitter in the brain that plays a key role in reward, motivation, memory, attention, and even regulating body movements.

Crystallized Intelligence

The ability to use skills, knowledge, and experience. It does not correlate with cognitive speed but increases with age.