2
QuizMultiple Choice

The Human Body: Part One — Test

Question 2 • Biology

The lungs, nose, and trachea are organs of the respiratory system. Which best describes these organs?

Answer
A
They help break down food.
B
They are both used for support.
C
They deliver nutrients to the other tissues.
D
They deliver oxygen to the blood.

Explanation

The nose and trachea let air travel into the lungs, where oxygen passes into the blood. Therefore, these organs deliver oxygen to the blood. Breaking down food is the digestive system’s job, and support is mainly provided by the skeletal system.

AI-written and checked against the verified answer.

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