Test Your Knowledge Of The Human Body With This Basic Anatomy Quiz!

What is the only organ to float on water?

Retry Correct Incorrect According to the Lung Institute, the lungs are the only organ in the human body to float on water. Also, if they were to be opened up they would cover the size if a tennis court.

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Warner Brothers/Getty Images

Warner Brothers/Getty Images

What is the only organ to float on water?

• Liver
• Heart
• Lungs
• Stomach