Biology

Question

The respiratory

system is divided

into...

Resc

A. the right and left

respiratory systems.

Helr

B. the relevant and

irrelevant respiratory

systems.

C. the

upper and lower

respiratory systems.

D. the major and minor

respiratory systems.

Answer

C. the upper and lower respiratory systems.

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The respiratory system is divided into the upper and lower respiratory systems. The upper respiratory system includes the nose, mouth, pharynx, and laryn...