Body Systems

What is the biggest function of the muscular system?

• to help digest food

• to help us move

• to help us breathe

• to help us remove waste

What is the biggest function of the respiratory system?

• to pump blood

• to help us digest food

• to take in oxygen and release carbon dioxide

• to help us fight disease and infection

Which of the following statements describes the function of the heart?

• The heart produces white and red blood cells.

• The heart controls the nervous system.

• The heart makes oxygen and carbon dioxide.

• The heart pumps blood throughout the body.

Which system in the human body functions primarily to supply the blood with oxygen and remove carbon dioxide?

• excretory

• immune

• respiratory

• cardiovascular

Which two body systems are primarily responsible for gas exchange between the body and the environment?

• skeletal and muscular

• circulatory and respiratory

• circulatory and digestive

• respiratory and excretory

How does the respiratory system depend on the circulatory system in order to function?

• The circulatory system brings waste gases to the lungs and exchanges them for oxygen.

• The circulatory system provides structural support and protection to the respiratory system.

• The circulatory system pushes gases out of the body through the mouth and nose.

• The circulatory system sends messages to the lungs so that one can breathe in and out.

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How does the circulatory system depend on the respiratory system in order to function?

• The respiratory system removes bacteria from the circulatory system.

• The respiratory system produces circulatory system cells.

• The respiratory system delivers oxygen to the circulatory system.

• The respiratory system provides protection to the circulatory system.

How does the circulatory system depend on the skeletal system?

• The skeletal system removes carbon dioxide from the circulatory system.

• The skeletal system produces blood cells in the bone marrow.

• The skeletal system is responsible for voluntary movement.

• The skeletal system helps to digest food for the circulatory system.

Which two systems are responsible for voluntary movement?

• circulatory and excretory

• digestive and circulatory

• skeletal and muscular

• skeletal and circulatory

What is the most important function of the digestive system?

• Gas exchange

• Break down food

• Voluntary movement

• Fight bacteria and disease

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