Hidden Facts About The Human Body
The human body have a variety of mysteries that is very admirable. All coordination of cells and organs make the body functions perfectly. What are the facts about human body?
According to LiveSciene, here are some things that are not much known about the human body:
1. Stomach produce corrosive acid
In the human stomach there is one type of dangerous liquid contained in the gastric. The cells in the stomach can secrete hydrochloric acid, which is a corrosive compound that is also used to treat metal in the industrial world. This acid is very strong, but mucous lining in the gastric wall keeps this poisonous liquid safely in the digestive system.
2. Body position affects memory
When people suddenly forget important dates in their life, changing body position can help restore their memory. For example, by walking for a minute or imitating position the moment it happened. Memory can stores in the senses. In addition to body position, smells and sounds can also bring back memory.
3. Puberty reshapes brain structure
Changes of hormones in the body can encourage the growth and body ready for reproduction. Hormones like testosterone actually influence the development of neurons in the brain, and changes to brain structure have many behavioral consequences. This is what makes teenagers are always emotional and generally experience sleep disturbance.
4. Nose hair help dry mucus
Most cells like hair organelles called cilia, helps the body with various functions, from digestion to hearing. On the nose, cilia help to dry mucus from the nasal cavity to the throat.
5. Laughing is contagious
Similar to yawning, seeing people laugh can be contagious. Hearing a laugh actually stimulates the brain regions associated with facial movements. Cues like sneezing, laughing, crying and yawning is also a way to create strong social bonds within a group.
6. The skin has a four colors
Skin without color will appear white cream. Blood vessels near the skin surface will make it look reddish. Then, the melanin in response to ultraviolet light, will make the skin look more black. Four colors are mixed in different proportions creates the skin colors.
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