Body Systems Pre-test 5th NC

When someone is exercising, which is most likely a function of both the

circulatory and respiratory systems?

• to help the body sweat

• make the muscles work

• to provide oxygen to the body

• to protect bones from breaking

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The circulatory system transports waste through the bloodstream. Which is the best example of another system working to remove waste from the

body?

• The respiratory system releases carbon dioxide.

• The skeletal system produces new red blood cells.

• The nervous system supplies food and oxygen to the muscles.

• The nervous system sends signals to the muscles to cause

  movement.

Which best describes the way the digestive and muscular systems are related?

• Swallowed food is pushed through the esophagus.

• the diaphragm, above the intestines, inflates and deflates.

• Nutrients are transported to the bones to help them function.

• The heart absorbs oxygen and nutrients from various parts of the body

Which is a cardiovascular muscle?

• lung

• heart

• stomach

• diaphragm

How does the skeletal system benefit the nervous system?

• It protects the lungs.

• It protects the heart.

• It protects the brain and spinal cord.

• It protects the esophagus and stomach.

Max is comparing the characteristics of different types of organisms. Which best describes a difference between insects and bacteria?

• Insects are made of one cell, while bacteria are made of many cells.

• Bacteria are made of one cell, while insects are made of many cells.

• Insects require energy to perform life functions while bacteria do not.

• Bacteria require energy to perform life functions while insects do not.

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Which statement would most likely be found in an article about multi-celled organisms like plants?

• Plants have a simple structure.

• Plants contain only one cell that performs all functions.

• Plants do not need to eat, remove waste, or reproduce.

• Plants contain many specialized cells that perform different functions.

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Which best describes the relationship between the skeletal system and the circulatory system?

• The skeletal system transports red blood cells after the circulatory system produces them.

• The skeletal system protects red blood cells and the circulatory

  system pumps those cells through veins and arteries.

• The skeletal system produces red blood cells and the circulatory system transports those cells where they need to go.

• The skeletal system helps put oxygen in red blood cells and the

  circulatory system helps those cells rid the body of carbon dioxide.

Why do humans require many different types of cells to survive?

• Human cells are identical and work together to perform the same function.

• Human cells are specialized and work together to perform the same function.

• Human cells are identical and work independently to perform different functions.

• Human cells are specialized and work independently to perform

  different functions.

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How are single-celled organisms and multi-celled organisms similar?

• Both need food for energy and growth.

• Both have a skeletal system for support.

• Both require the interaction of many cells to survive.

• Both are able to carry out all life functions in only one cell.

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