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3 votes
Lungs, Trachea, Diaphragm, Nose: Which organ system do these belong to?

Circulatory
Excretory
Digestive
Musculoskeletal
Respiratory

User Menna
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2 Answers

5 votes

Answer: respiratory system

Step-by-step explanation:

User Gigz
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5.3k points
1 vote

Answer:

Respiratory

Step-by-step explanation:

they all come together and help with breathing and oxygen :)

User UKMonkey
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