World-Class Sprinters Typically Do Not Breathe During the 9+ Seconds

question 56

Multiple Choice

World-class sprinters typically do not breathe during the 9+ seconds it takes to complete a 100-meter race.What does this fact suggest about these runners' energy production?

• A) It must be mitochondrial,with oxygen provided by one big breath at the beginning of the sprint.
• B) It must be mitochondrial,with oxygen provided by circulating hemoglobin that is already saturated with oxygen.
• C) It must be glycolytic;the process is entirely anaerobic and the race will be over before NADH⁺ reserves are depleted.
• D) It must be fermentative,which explains why most sprinters experience cramping after the race ends.

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Definitions:

James-Lange Theory

A theory of emotion proposing that emotions result from our interpretations of bodily reactions to stimuli.

Body's Reactions

The physiological responses of the body to various stimuli, such as stress, fear, or exercise.

Autonomic Changes

These are adjustments in the autonomic nervous system that occur in response to various stimuli, regulating involuntary bodily functions such as heart rate and digestion.

Emotions

Complex psychological states that involve three distinct components: a subjective experience, a physiological response, and a behavioral or expressive response.