CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Why do you think we yawn when we are sleepy or drowsy?

Open in App
Solution

When we are sleepy or drowsy, we need more energy and hence more oxygen. In order to draw more oxygen, we yawn.

flag
Suggest Corrections
thumbs-up
9
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon