The Origin of Tears

Derived from the blood
Tears, clear liquid that is colorless or transparent actually derived from the blood. When the tears will come out, we can feel the blood flowing up to the head and then become tears. Although the tears came from the blood, tears are colorless red. This is caused when the blood come into the tear gland, the cell wall work to filter red elements contained in red blood cells and produce a clear liquid called with tears.

Tears taste different
Did you know that taste, quantity, and composition contained in tears were different when sad or happy? Tears that come out when happy or sad can be said as a means to release or express feelings. Tears come out when we feel relax is out in large numbers, tasteless, and contains much potassium. When we feel sorry or angry, tears are relatively few in number and taste salty because it contains lots of sodium.

The origin and final destination of tears
Every time a wink, there are a number of tears that flowed to surface of the eye. When eyes were dry, we winked. In one minute, someone winked more or less as much as 15-20 times. At the same time tears wet the surface of the eye without us realizing it. As many as 10 percent of the tears that flowed to the surface of the eye and serves to keep the eye surface moisture is evaporated. While 90 percent of the remainder will flow through a small channel in the inner eye. After that, the tears are flowing through a small gland that connects between the eyes and nose, and eventually flow through the nasal tract and accumulated in nose. After using the eye drops the base of the tongue felt something bitter. This occurs because the eye drops passes through the same route with tears, and sometimes after going through the nose, the drug flow into the mouth.

Did you know the function of Tears?

Did you know that the tears that came out of our eyes has many benefits both physically and mentally? Here are some benefits of tears:

• Assist Vision
  Tears turned out to help the eyesight. Tears can prevent dehydration in the eye membrane that could make the vision become blurred.

• Killing Bacteria
  Tears serve as a natural antibacterial. Without eye drops, eye actually already have their own protection. Contained in the tear fluid called lisozom that can kill bacteria that approximately 90-95% in just five minutes left. For example, bacteria are absorbed from the computer keyboard, railing, sneeze, and the places that contain bacteria.

• Improving Mood
  Crying can reduce levels of depression. With tears, the mood will be lifted again. Tears are produced from crying because of overflowing of feelings or emotions contained 24% protein, albumin, which is useful in regulating the body's metabolism system back. Tears of this type is definitely better than tears resulting from irritation of the eyes.

• Removing Toxins
  A biochemist William Frey has conducted several studies about tears and found that the tears that came out because of emotional cry contains toxic. That suggests that it brought the poison from the body and out through the eye.

• Reduce Stress
  How crying can reduce stress? Tears that turned out also release stress hormones in the body which contained leucine-enkaphalin endorphin and prolactin. In addition to lowering levels of stress, tears also help fight diseases caused by stress such as high blood pressure.
• Build Community
  In addition to good physical health, crying can also help someone build a community. Usually someone in tears after telling the problem in front of his friends or someone who can provide support, and this can increase the ability to communicate and socialize.

• Comforting feeling
  It seems that everyone feels this after crying. After crying, many problems and temptations of whack, resentment and anger, and hurt feelings are usually reduced and appeared relieved.
  Someone experienced relief after the cry comes as the limbic system, brain and heart to become fluent. Therefore, remove the problem in the mind with tears