EOG Review Body Systems

What is a characteristic of most single-celled organisms?

• They have a complex nervous system.

• They contain several different types of cells.

• They perform all life processes.

• They have a circulatory and a respiratory system.

Which statement best describes how a multicellular organism survives?

• Every cell carries out the same functions for the survival of the organism.

• The cells all have the same structure that allow the organism to survive.

• All life processes are performed by each cell for the survival of the organism.

• The cells have different functions, and together they are essential for the survival of the organism.

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What is the relationship between the respiratory system and the circulatory system?

• The respiratory system exchanges oxygen and carbon dioxide with the circulatory system.

• The respiratory system exchanges oxygen and carbon monoxide with the circulatory system.

• The respiratory system exchanges oxygen and sugar with the circulatory system.

• The respiratory system exchanges oxygen and nitrogen with the circulatory system.

In what way are the digestive and circulatory systems alike?

• Both protect organs in the body.

• Both control movement of the body.

• Both absorb gases or nutrients into the body.

• Both provide structural support for the body.

A mother rabbit has a litter. One of the babies is born with one long ear and one short ear. What most likely caused this one rabbit to be born with one short ear?

• The mother had previously lost an ear in an accident.

• The mother rabbit became sick before she gave birth.

• A mutation occurred during the development of the one rabbit.

• This one rabbit received less nutrition than the other rabbits before it was born.

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Which is an example of a trait that is inherited?

• dimples

• intelligence

• weight

• favorite color

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Which statement best explains how a bacterial cell is capable of surviving as a single-celled organism?

• It is able to create new cells more slowly than other kinds of cells.

• It is large enough to capture the food it needs for growth.

• It is so small, it can survive in almost any place.

• It has the ability to carry out all of its life functions.

In what way are the circulatory system and the nervous system similar?

• They both perform the same function.

• They are both structural systems.

• They are both transport systems.

• They both involve the same organs.

Which system in the human body includes the heart, blood, arteries, and veins?

• cardiovascular

• digestive

• muscular

• respiratory

Which of these traits is most influenced by a person's environment?

• ability to roll the tongue

• blood type

• weight

• eye color

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