During Exercise,the Increase in Our Respiration Rate and Heartbeat Speed

question 87

Multiple Choice

During exercise,the increase in our respiration rate and heartbeat speed is driven by the need to replenish the oxygen used to support

• A) lactic acid fermentation.
• B) carbon dioxide synthesis in our lungs.
• C) oxidative phosphorylation in muscle cell mitochondria.
• D) the dark reactions of photosynthesis.

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Definitions:

Inefficient

A state where resources are not optimally allocated, often resulting in wasted resources or outputs that do not maximize potential value.

Monopolistically Competitive

Describes a market structure where many companies sell products that are substitutes, but are not perfect substitutes, leading to some degree of market power for each firm.

Barriers to Entry

Obstacles that make it difficult for new competitors to enter a market, such as high startup costs or strict regulations.

Product Differentiation

The process of distinguishing a product from others in the market to make it more attractive to a particular target market.