Humans experience instant changes in their bodies ranged from goosebumps to tears to the pruning of skin because the human body is very complex mechanism. But, did you know that there are scientific reasons behind these responses? It can be for various purposes such as protection of organs or improving in some activity.
These responses are unconscious most of the times and they happen instantly, under special circumstances. The human body itself is a real masterpiece and even in 21st century is still a big mystery for the researchers. Let’s answer at some of these important questions about our body.
Why does skin prune?
It happens when the skin is exposed to water for a long period continuously. Can you guess why does this happens? It is a way the body acquires greater grip, underwater.
Why do we encounter goosebumps?
An involuntary and an evolutionary trait of the human body. No matter if the hair straightens as a response to threatening situations or to provide warmth in cold weather.
Why do we get butterflies in our stomach?
A fluttery feeling from a first date or any similar experiences. It is actually a human body’s fight or flight response in times of threat to survival. The adrenaline secretion makes the stomach extra-sensitive to cause the butterfly sensation when person is freaking out.
Why do we yawn?
In majority of the situations it is due to lack of sleep, but it is also a way to lower the temperature of the brain. How many of you knew about the second reason?
Why do we stretch after waking up?
This is an instinctual need of the body to warm up the nerves and blood vessels of the body. That’s how body is preparing for daily activities.
Why do we sneeze?
Sneezing is a defense mechanism deployed by the human body. It keeps the respiratory system free from external, unwanted irritants like dust and dirt.
Why do tears trickle down our cheeks?
Of course, most of the times they are due to any sadness and emotions. However, the main reason is cleaning the eyeballs and keeping the annoying irritants away.
Why do we wince?
Well, that is similar to a twitching action, wherein, there is a slight involuntary grimace. It is generally an involuntary action due to pain or distress.
Why do we suddenly get hiccups?
Except for when someone is remembering you, hiccups also happen for a scientific reason. When we eat/drink and it goes the wrong way, the pneumogastric nerve gets irritated and cause hiccups.
Why do we get that sudden myoclonic jerk?
Very uncomfortable and sudden jolt that you get when you are about to drift into deep sleep. It actually depends on how tired you are. You may blame your brain for this because it misinterprets the slower breathing and relaxed muscles as signs of death, so it jolts you up to keep you alive, instead of letting you sleep.
Why do we see those floaters in the distant sky?
Because our eyes are made up of a jelly called vitreous fluid. This undergoes many changes with age. Tiny fibers unite together to form clumps which are large enough to be visible.
Why do we sweat?
Sweating is a method of the body to decrease the temperature. We usually sweat when we feel hot, but also out of fear. When secreted, sweat evaporates to lower the temperature of the body.
Why do we have grey hair?
Natural pigment cells that give the hair its natural color is called melanocyte. Over the years they degrade, which causes the keratin in hair to receive less of the colored pigment, which result in grey hair. At its final stage, these cells stop working altogether and our hair turn completely white.
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