三大你不了解的人体秘密 Top Three Things You Didn't Know About You

Top Three Things You Didn't Know About You  
三大你不了解的人体秘密 

1. Much of a Meal is Food For Thought   
更多的饭被脑子“吃”了 
   
Though it makes up only 2 percent of our total body weight, the brain demands 20 percent of the body's oxygen and calories.

2. Body Position Affects Your Memory   
换个姿势也许能帮助你回忆当初

An article reports that episodes from your past are remembered faster and better while in a body position similar to the pose struck during the event.    

Can't remember your anniversary, hubby? Try getting down on one knee.  

Memories are highly embodied in our senses. A scent or sound may evoke a distant episode from one's childhood. The connections can be obvious (a bicycle bell makes you remember your old paper route) or inscrutable. A recent study helps decipher some of this embodiment.   

3. Your Stomach produces Corrosive Acid
你的胃中含有极强、可腐蚀钢铁的酸

There's one dangerous liquid no airport security can confiscate from you: It's in your gut. Your stomach cells secrete hydrochloric acid, a corrosive compound used to treat metals in the industrial world. It can pickle steel, but mucous lining the stomach wall keeps this poisonous liquid safely in the digestive system, breaking down lunch.