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○○Amazing Human Body○○

Human Body Facts - Part 4

# You Can’t Swallow and Breathe at the Same Time. Virtually every other mammal can; however, human babies can only until they’re about 9 months old. Around this time the voice box drops quite low in the neckcompared to other animals, which allows us to have a wide range of sounds for speech – but takes our ability to breathe and eat or drink at the same time.
# You Have Two Brains
Just as you have neurons in your brain, you also have neurons in your gut – including neurons that produce neurotransmitte ­rs like serotonin, which is also found in your brain and is linked to mood. Your gut literally serves as your second brain, and evenproduces more of the neurotransmitte ­r serotonin – known to have a beneficial influence on your mood– than your brain does.
In other words, you have two nervous systems: the central nervous system, composed of your brain and spinal cord, and the enteric nervous system, which is the intrinsic nervoussystem of your gastrointestina ­l tract. Both are actually created out of the same type of embryonic tissue. During fetal development, one part turns into your central nervous system while the other develops into your enteric nervous system.
# Loneliness is Physically Painful. Loneliness is emotionally painful for sure, but it’s physically painful as well. In fact, both loneliness and physical pain are processed in the same region of your brain, the anterior cingulate cortex. So just as you have a powerful drive to avoid causing physical pain to your body, you have a similarly powerful drive to connect with others and seek companionship –in order to avoid painful feelings of loneliness.
# You Salivate More - Before You Vomit. And there’s a very good reason for this. Because stomach acid can be harsh on your throat and mouth, the extra saliva helps dilute the acid and rinse it away to minimize any damage caused by vomiting.
# Sugar Can Help Your Wounds Heal. Not by eating it, of course, but rather by sprinkling it directly on the wound. Sugar is hygroscopic, which means it absorbs water that bacteria need to survive. This method has been popular among healers in Africa for generations, and it is reportedly useful for bed sores, leg ulcers, amputations and more.
A twist on this idea is to use honey, which will help draw fluid away fromyour wound and suppress the growthof micro organisms.

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