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From Goosebumps to Sweating, Why Do These Things Happen in the Human Body?

The human body is a complex mechanism wherein there is an instant response to the stimuli. Ranging from goosebumps to tears to the pruning of skin, we humans experience instant changes in our bodies. But FYI, there are scientific reasons behind these responses. These responses can be for the purpose of protection of organs or as a means to perform an activity better. These responses are involuntary most of the times and happen in just a jiffy, under special circumstances. Why does our skin prune when exposed to immense water, why do we blink when exposed to a strong source of light and why do we get goosebumps? The human body is a masterpiece in itself which is still a big mystery for the researchers, even in the 21st Century.But, these are everyday things which one must be aware of and the reasons behind them. Get ready to be enlightened.

Why does skin prune?

This happens when the skin is exposed to water for a long duration of time. Can you guess why does it happen so? Well, that is a way the body acquires greater grip, underwater.

Why do we encounter goosebumps?

This is an involuntary and an evolutionary trait of the human body, wherein the hair straighten as a response to threatening situations or to provide warmth in unsavory cold weather conditions.

Why do we get butterflies in our stomach?

This is a fluttery feeling when on a first date or any such experiences. This is human body's fight or flight response in times of threat to survival. This is when one is freaking out that the adrenaline secretion makes the stomach extra-sensitive to cause the butterfly sensation.

Why do we yawn?

Most of the times it is due to lack of sleep, but it is also a way to lower the temperature of the brain. Well, did any of you know the second reason?

Why do we stretch after waking up?

Stretching is an instinctual need of the body to warm up the nerves and blood vessels of the body and get them prepared for the activities in the day.

Why do we sneeze?

Well, this is a defence mechanism deployed by the human body to keep the respiratory system free from external, unwanted irritants like dust, dirt etc.

Why do tears trickle down our cheeks?

Most of the times they are due to any sadness and emotions. But the basic reason is cleaning the eyeballs and keeping the unpleasant irritants away.

Why do we sweat?

It is a method of the body to lower the temperature. We often sweat when we feel hot, but also out of fear. When sweat is secreted, it evaporates to lower the body temperature.

Why do we suddenly get hiccups?

Unlike the common superstition that there is someone remembering you, hiccups do happen for a scientific reason, too. And it is when we eat/drink and it goes the wrong way, the pneumogastric nerve can get irritated and cause hiccups.

Why do we get that sudden myoclonic jerk?

This is a sudden jolt that you get when you are about to drift into deep sleep. This depends on how tired you are. The human brain 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?

This is because our eyes are made up of a jelly called vitreous fluid. This undergoes many changes with age. Tiny fibres of this unite together to form clumps which are large enough to be visible

Why do we wince?

Well, that is similar to a twitching action, wherein, there is a slight involuntary grimace. This is generally an involuntary action due to pain or distress.

Why do we have grey hair?

Melanocytes are natural pigment cells that give the hair its natural color. But over the years they degrade, causing the keratin in hair to receive less of the coloured pigment, causing the hair to turn grey. Eventually, these cells stop working altogether, turning hair completely white.Do share in the comments section below if you want to know reasons behind any other bodily actions. We would love to include them.