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LP
Question Practice

What is the main reason why smoking is harmful to the circulatory 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

What is the main reason why sm...

Single Answer MCQ
Q-00128143

What is the main reason why smoking is harmful to the circulatory system?

1

It increases cholesterol levels

2

It causes arterial hardening

3

It improves lung function

4

It lowers blood pressure

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