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21 votes
21 votes
If people breathe in deeply, their .......... can expand to twice normal size.

A. hearts B. kidneys C. stomachs D. lungs

User Miron
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2 Answers

21 votes
21 votes
The answer is D.lungs
User Lubgr
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17 votes
17 votes

Answer:

Lungs

Step-by-step explanation:

User Tom Oakley
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