Which of the Following Statements Regarding Circulatory Systems Is True

question 29

Multiple Choice

Which of the following statements regarding circulatory systems is true?

• A) The smallest blood vessels in the body are veins.
• B) A circulatory system is necessary in any animal whose body is too large or too complex for vital chemicals to reach all parts of the body by diffusion.
• C) Materials are exchanged directly between the blood and body cells.
• D) Veins carry blood away from the heart to body organs and tissues.

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Definitions:

False Event

An occurrence or activity that is fabricated and does not actually happen.

Retrograde Amnesia

The inability to recall events or knowledge acquired before suffering an injury or the emergence of a disease.

Procedural Memories

Procedural memories are a type of long-term memory for performing certain actions and skills, essentially how to do things, such as riding a bicycle or playing an instrument.

Long-Term Memories

Memories that can be stored for an extended period, from days to decades.