Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Human Physiology
Question #19948
Back to Home
View All Human Physiology Questions
15 Views
Question
Why do we yawn when sleepy?
A. To show tiredness
B. To stretch facial muscles
C. To communicate
D. To increase oxygen intake
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the function of the limbic system in the brain?
9
Which part of the respiratory system warms and filters incoming air?
9
What is the partial pressure of oxygen highest in?
12
Which Indian badminton player appeared rusty and error-prone during the Japan Open in July 2025?
(Current Affairs)
21
Which Indian state witnessed a landslide that killed at least 18 people, including a bus driver and ...
(Current Affairs)
11