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 #14814
Back to Home
View All Human Physiology Questions
48 Views
Question
What is the main component of cigarette smoke that affects the respiratory system?
A. Carbon monoxide
B. Nitrogen
C. Oxygen
D. Tar
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which part of the nephron contributes most to the regulation of blood pH?
50
What is the function of the ribcage during inspiration?
62
What is the name of the structure that prevents food from entering the trachea during swallowing?
26