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How does nicotine affect the respiratory system?

A. It increases reflex actions
B. It causes breathing to become shallow
C. it increases muscle activity in the airways
D. It decreases mucus production.

User InsFi
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2 Answers

6 votes
b it causes breathing to become shallow
User Drosam
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Answer:

B it causes breathing to become shallow

Step-by-step explanation:

User Zolamk
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