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Question Practice

How does smoking affect the respiratory system?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 7
Science
Curiosity
Life Processes in Animals
Question Bank

How does smoking affect the re...

Single Answer MCQ
Q-00128110

How does smoking affect the respiratory system?

1

Improves lung function

2

Increases oxygen levels

3

Damages lung tissues

4

Enhances gas exchange

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