The Human Body

Which system are the lungs in?

• respiratory
• digestive
• excretory

Which system is the esophagus in?

• digestive
• urinary
• integumentary

which organ is not part of the respiratory system?

• nose
• pancreas
• trachea

What is the main function of the respiratory system?

• take in oxygen and exhale waste like carbon dioxide
• move nutrients throughout the body
• take in carbon dioxide and exhale oxygen

What is the main job of the digestive system?

• break down foods into nutrients that can be used by the body 
• take in oxygen and exhale waste like caron dioxide
• pump blood throughout the body

One of the main fuctions of the nervous system is to receive stimuli from inside and outside the body

• True
• False

Which answer best describes the purpose of the liver in the human body? 

• The liver mixes blood and oxygen. 
• The liver removes excess fluids from the body. 
• The liver stores large quantities of blood and oxygen. 
• The liver cleans the blood coming from the digestive organs. 

Which part of the body protects organs, provides support, and forms blood cells? 

• the brain
• the heart
• the liver
• the skeleton

How do the muscular and skeletal systems work together to help the body?

• They provide blood to the body.
• They provide nutrients to the body.
• They provide structure and movement for the body.
• They provide oxygen and carbon dioxide to the body.

Whitney accidentally touches a hot surface and then quickly pulls her hand away. Which two systems in the human body were involved with her action and reaction?

• nervous and muscular
• skeletal and circulatory
• nervous and respiratory
• muscular and respiratory