3
QuizMultiple Choice

The Endocrine and Exocrine Systems — Unit test

Question 3 • Q5 Biology 2014

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

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