Which of the Following Statements About the Internal Transport of Materials

question 37

Multiple Choice

Which of the following statements about the internal transport of materials in large animals is true?

• A) Since diffusion works well only over short distances, nearly all animal body cells lie extremely close to a blood vessel.
• B) Diffusion is the main mechanism large animals use to transport materials within their systems.
• C) The exchange of materials between blood and the surrounding cells occurs in arteries.
• D) The heart contains the surfaces over which most gas exchange occurs.

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Definitions:

Optimum Arousal

A psychological concept suggesting there is a level of arousal that is ideal for performance and learning, too little or too much arousal can negatively impact performance.

Environmental Stimuli

External inputs from the environment that can affect an organism's behavior, physiology, and reactions, ranging from temperature changes to social interactions.

Energizes

Provides with energy or increases vigor.

Directs Behavior

Influences or guides actions and responses of an organism or system in certain situations, often in response to external stimuli or internal states.