8 votes
Accepted

Are yawns and hiccups pscyhosomatically contagious or are they just reflexes/impulses?

Yawns are "contagious" in that other people (and even dogs) often yawn in response to seeing someone else yawn. The reason people yawn is unclear, but it is thought to have evolved to serve a ...
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7 votes
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Does the tailbone (coccyx) serve a present function? A few people have been born with tail appendages, right?

1. You are right, the coccyx is the remnant of a vestigial tail, but still not entirely useless. According to eMedicine, it is an important attachment for various muscles, tendons and ligaments—which ...
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  • 1,848
4 votes
Accepted

What are the functions of these parts of the brain (MRI)?

Three spots in the brain do not automatically mean three different symptoms. Even if those spots are abnormal, they do not necessary cause any damage. A doctor in the "2. MRI report" says there are: ...
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1 vote
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What is the function of goosebumps in human anatomy? It happens when it's cold, scary, or euphoric, but WHY?

Getting goose bumps is a reflex, which is an action your body has automatically without you even thinking about it. This particular reflex is known as the pilomotor reflex. Humans aren't the only ...
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1 vote
Accepted

Why do only men have Adam's Apples? What is it? What function does it serve?

The Adam's apple, in conjunction with the thyroid cartilage which forms it, helps to protect the walls and the frontal part of the larynx, including the vocal cords (which are located directly behind ...
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