The respiratory system is one of the last things to grow
Answer:
natural
no 3 is the correct answer
Answer:
true?
Explanation:
if this is a true or false
The lungs are an important part of the respiratory system,lungs allow you to breathe. The lungs are part of the respiratory system and they include airways that carry air in and out of your lungs, blood vessels surrounding the lungs, and the muscles that help you breathe.
