A teacher was talking about blood circulation in the human body.
"Now, class, if I stand on my head, my face would turn red from the increased in blood."
"But why is it that when I am standing upright, the blood do not accumulate and turn my feet red?"
A little boy replied,"Is it because your feet are not empty?"
"Now, class, if I stand on my head, my face would turn red from the increased in blood."
"But why is it that when I am standing upright, the blood do not accumulate and turn my feet red?"
A little boy replied,"Is it because your feet are not empty?"
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