0
When we are sleepy or drowsy then our lungs don't take enough oxygen which increases carbon dioxide in our body. The brain senses this and sends us a messages that causes us to yawn.
By Akhilesh Sharma
Wiki User
∙ 10y ago
Wiki User
∙ 10y agoWe yawn because our bodies are too relaxed and our brains haven't got enough oxygen to be comfortable. The act of yawning causes an influx of oxygen that invigorates our system.
Add your answer:
Earn +20 pts
Do dogs yawn because their owners yawn?
No. They yawn for the same reasons we do.
Why do many yawn when one yawns even out of sight?
they yawn because when you yawn it passes on to other people . so you yawn then someone's right next to you then i think they inhale then they start to yawn ?
Does a snail yawn?
yes they yawn quietly
Why do you yawn in your sleep?
how do you know you yawn if you are sleeping?
Is yawn an adjective?
The word 'yawn' is both a verb (yawn, yawns, yawning, yawned) and a noun (yawn, yawns). Examples:Verb: I began to yawn in the middle of the lecture.Noun: The comedian's joke met with a big yawn.An adjective is a word that describes a noun, for example: a big yawn.
Do dogs yawn because their owners yawn?
No. They yawn for the same reasons we do.
Why do many yawn when one yawns even out of sight?
they yawn because when you yawn it passes on to other people . so you yawn then someone's right next to you then i think they inhale then they start to yawn ?
Does a snail yawn?
yes they yawn quietly
Can cows yawn?
No whales do not yawn.
Why do you yawn in your sleep?
how do you know you yawn if you are sleeping?
Is yawn an onomatopoeia?
Yes, yawn is an onomatopoeia.
Can you give a sentence for the word yawn?
Insects do not yawn. People necessarily do not yawn only when they are tired. Most people, after reading this, will yawn.
Why do people yawn when they are cold?
A yawn is normally a response to a change in activity, although if you did not get enough sleep, you could become tired and yawn.
Is yawn an adjective?
The word 'yawn' is both a verb (yawn, yawns, yawning, yawned) and a noun (yawn, yawns). Examples:Verb: I began to yawn in the middle of the lecture.Noun: The comedian's joke met with a big yawn.An adjective is a word that describes a noun, for example: a big yawn.
YAWN IN FRENCH is dinner?
to yawn is 'bailler' in French.
What TM is Yawn in Pokemon HeartGold?
Yawn is not a TM.
What is the big yawn?
it's when you yawn real big
