Human body systems

What are the components of the circulatory system?

• brain, nerves, and spinal cord

• cells, lungs, and heart

• heart, blood vessels, and blood

• skin, tissues, and muscles

The _______ is the basic unit of the human body.

• organ

• cell

• tissue

• system

Which body system takes in oxygen and expels carbon dioxide?

• circulatory system

• nervous system

• digestive system

• respiratory system

This system transports essential elements and removes waste to and from the body's cells.

• circulatory

• respiratory

• skeletal

• integumentary

Which body system breaks down food?

• circulatory system

• nervous system

• digestive system

• respiratory system

How many chambers does the human heart have?

• 1

• 2

• 3

• 4

Which organs make up the respiratory system?

• brain, nerves, and spinal cord

• cells, lungs, and heart

• esophagus, stomach, small intestine

• mouth, nose, trachea, lungs

Which organs make up the nervous system?

• brain, nerves, and spinal cord

• cells, lungs, and heart

• heart, blood vessels, and blood

• skin, tissues, and muscles

This system allows the movement of the body.

• skeletal

• nervous

• muscular

• integumentary

Which body system delivers nutrients and oxygen to cells and removes carbon dioxide and waste?

• circulatory system

• nervous system

• digestive system

• respiratory system