Why Is the Respiratory System of a Bird More Efficient

question 34

Multiple Choice

Why is the respiratory system of a bird more efficient than the human respiratory system?

• A)The bird respiratory system does not mix exhaled air with inhaled air.
• B)A bird lung contains multiple alveoli, which increases the amount of surface area available for gas exchange.
• C)The human respiratory system ends in small parabronchi, which reduce the amount of surface area available for gas exchange.
• D)Only B and C are correct.
• E)A, B, and C are correct.

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Definitions:

Product Life Cycle

The stages a product goes through from development and introduction to the market, through growth, maturity, and decline.

Hybrid Cars

Vehicles powered by a combination of an internal combustion engine and one or more electric motors that use energy stored in batteries, offering increased fuel efficiency and lower emissions compared to conventional vehicles.

Waiting Lists

Lists of individuals or entities awaiting their turn for services or goods, commonly seen in healthcare, housing, or high-demand product scenarios.

Growth Stage

Stage of the product life cycle when the product gains acceptance, demand and sales increase, and competitors emerge in the product category.