Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Human Physiology
Question #14770
Back to Home
View All Human Physiology Questions
20 Views
Question
What is the effect of smoking on the respiratory system?
A. Improves airflow
B. Strengthens lungs
C. Reduces coughing
D. Damages cilia and causes inflammation
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What percentage of CO₂ is transported as bicarbonate ions in the blood?
24
What is the main cause of occupational respiratory disorders in industries involving stone-breaking?
9
What is the normal respiratory rate in a healthy adult?
29