Why do people yawn?
It is not just people who yawn. Even cats and dogs do. Sometimes we yawn when we are feeling sleepy or bored. It is believed that yawning makes us more alert. During yawning, the facial muscles and neck muscles are stretched. This helps to improve blood circulation making us feel alert. Another theory holds that people yawn when their bodies need more oxygen. Yawning is very infectious.
Related posts:
What is a cyclone? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
What are the common features of living things? Complete General Knowledge Question and Answer for Cl...
General Knowledge
GK Question "Columbus Arrived Later, Was America Discovered Earlier" general knowledge book English ...
General Knowledge
Why is the planet Mercury so hot? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
GK Question "People Have Been Last Names, For How Long?" general knowledge book English 2021 current...
General Knowledge
Do you know “Important Jain pilgrimage site".
Do you know
Why is the jelly fish transparent? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
When was ether first used in surgery? Complete General Knowledge Question and Answer for Class 6, 7,...
General Knowledge
When was plastic made first? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
How do experts classify dinosaurs? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
Did dinosaurs build nests? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, ...
General Knowledge
What causes volcanoes? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
GK Question "When Was The Soap First Made?" general knowledge book English 2021 current affairs quiz...
General Knowledge
Why is gold so costly? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
Do you know "Airport terminal, one of India's finest museums".
General Knowledge
What is plastic surgery? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11...
General Knowledge
What is caffeine? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
Why do parts of our body fall asleep?Complete General Knowledge Question and Answer for Class 6, 7, ...
General Knowledge
What is forestry? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
GK Question "How Does A Flying Fish Manage To Fly?" general knowledge book English 2021 current affa...
General Knowledge