Human Body Systems Test

First and Last Name

The respiratory system is responsible for _____________.

• pumping blood
• sending signals from the brain
• taking in oxygen; breathing
• the answer is not here

What organ is circled below?

• lungs
• heart
• kidney
• liver
• brain

What is the main function of a human heart?

• it allows us to breathe
• it allows our muscles to move
• it pumps oxygen rich blood through our bodies
• the answer is not here

Neurons send __________ from the _________ to the rest of the body. What words go in the blanks?

• neurons; brain
• nervous system; brain
• brain; signals
• signals; brain

The circulatory system is responsible for _____________.

• pumping blood
• sending signals from the brain
• taking in oxygen; breathing
• the answer is not here

The nervous system is responsible for _____________.

• pumping blood
• sending signals from the brain
• taking in oxygen; breathing
• the answer is not here

What part of the respiratory system is the arrow pointing to?

• lungs
• trachea (windpipe)
• larynx
• pharynx

What organ is pictured below?

• respiratory
• circulatory
• heart
• lungs
• nervous

What organ is circled below?

• lungs
• heart
• kidney
• liver
• brain