asked 31.8k views
3 votes
This is made up of you lungs, all airways connected with them, and muscles that help you breathe.

A. Nervous System


B. Endocrine System


C. Circulatory System


D. Respiratory System

asked
User Meefte
by
7.9k points

1 Answer

2 votes
The answer is d respiratory system
answered
User Aric Lasry
by
8.3k points
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