The Human Body

Fatigue, shortness of breath, or boredom Yawning is very interesting. It has many possible causes and several different theories on how it came about for humans, but none are definite. The definition of yawning varies across cultures. Only 7% of the world’s languages have a word that precisely …

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To transfer the oxygen in the air to our bloodstream Our body is quite durable. We can survive a few weeks without food, and under normal conditions, we will last a few days even without water. On the other hand, if we stop breathing, we will not last …

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