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Other quiz:

Body Systems › View

Which system is responsible for breaking down nutrients?

A. Digestive

B. Respiratory

C. Circulatory

D. Excretory

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Lungs › View

_______________________ is the largest muscle, which is also the most efficient. It is located under the lungs and separates them from the other internal organs such as the liver, the stomach, the intestines and etc.

A. Trachea

B. Bronchi

C. Bronchioles

D. Diaphragm

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