Human organ systems

A ____________________ that work together is called an organ system.

• group of organs

• group of systems

• organs

• systems

What is the main function of this organ system?

• digestion of food

• circulation of blood

• communication

• respiration

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Which two organs are part of the digestive system? Tick two.

• intestines

• mouth

• lungs

• heart

• spinal cord

The circulatory system are mostly made up of tubes called ________________.

• blood vessels

• intestines

• esophagus

• nerves

Which organ system transports important substances all over the body?

• circulatory system

• digestive system

• nervous system

• respiratory system

Which organ pumps blood?

• 
• 
• 
• 

Which is NOT a function of the respiratory system?

• break down food

• process oxygen

• take out carbon dioxide

Which DOESN'T belong to the respiratory system? Tick TWO.

• pancreas

• esophagus

• windpipe

• ribs

• lungs

The nervous system helps different organ systems to ___________________.

• communicate

• work together

• coordinate

• all of these

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The respiratory system works together with the nervous system. Which is an example of this?

• We can still breathe even while asleep.

• Digestion of food is better with exercise.

• Nutrients are absorbed by the blood through the intestine.

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