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Human Biology ⁽¹⁶⁵⁾

Why do armpits smell bad?

Why is poop brown? What does it mean if the poop is green, black or red in color?

What are Viruses? How do they infect organisms?

What is viral fever?

How long can a person go without sleep?

Why is it necessary to sleep every night?

Is it true that pupils dilate when we see something we like?

Why do eyes close when sneezing?

What are the causes and treatments of pimples or acne?

Since evolution still continues, will man grow bigger head in the future?

What makes us thirsty? Is it dry mouth or dehydrated body tissue that signals thirst?

On what basis is blood classified into various groups?

How does an artificial heart work? Who was the first recipient?

Why can't we see in the dark like cats and owls?

How was blood circulation proved by William Harvey?

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