Science review

Which system is the esophagus in?

• digestive
• respiratory
• circulatory 
• nervous

Which system are the lungs in?

• respiratory
• digestive
• muscular
• nervous

Which system is the heart in?

• Circulatory
• Digestive
• respiratory 
• skeletal

What blood vessels take blood AWAY from the heart after oxygen is added

• veins
• arteries
• capillaries
• nerves

which organ is not part of the respiratory system?

• nose
• esophagus
• trachea
• lungs

What is the main function of the respiratory system?

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

Where does digestion start?

• stomach
• small intestines
• esophagus
• mouth

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
• help move your body

Which muscles are attached to bones and provide assistance for movement?

• involuntary
• smooth
• cardiac
• skeletal

Which systems main function is to allow movement of the body?

• muscular
• digestive
• skeletal
• nervous