Body Systems Unit Review

Which body system contains the trachea, bronchi, and lungs?

• the nervous system

• the cardiovascular system

• the respiratory system

• the skeletal system

Which body system is shown in the diagram?

• the respiratory system

• the nervous system

• the muscular system

• the digestive system

Which is a function of the cardiovascular system?

• to provide structural support for the body

• to eliminate waste from the body

• to transport gases throughout the body

• to take oxygen into the body

What is the difference between single-celled organisms’ and multicellular organisms’ ability to survive?

• Multicellular organisms depend on other organisms for survival, while single-celled organisms do not.

• Single-celled organisms depend on other organisms for survival, while multicellular organisms do not.

• Single-celled organisms contain many specialized cells necessary for survival, while multicellular organisms do not.

• Multicellular organisms contain many specialized cells necessary for survival, while single-celled organisms can survive alone.

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How can a bacteria carry out all of life’s functions?

• by having specialized cells

• by being larger that most organisms

• by being smaller that most organisms

• by performing all processes in one cell

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Which of the following is a complete organism?

• a skin cell

• yeast cell

• a red blood cell

• a nerve cell

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Which best explains why a human needs many cells to survive?

• Each individual cell is too small to function alone.

• Each cell joins with other cells to form one massive cell.

• Each cell works with other cells to perform all necessary life functions.

• Each cell absorbs a different gas from the environment necessary for human survival.

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Which two human body systems are MOST responsible for getting oxygen to cells?

• digestive and skeletal

• skeletal and circulatory

• circulatory and respiratory

• respiratory and digestive

A unicellular organism is BEST described as being

• a complex organism

• a microorganism

• an organism with specialized cells

• an organism with different types of tissues

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What is the function of the system shown?

• breaks down food into a form used by the body

• carries oxygen and nutrients to all cells of the body

• controls all other systems of the body

• takes air into and out of the body