Why The Doctor Asks You To Bring Out Your Tongue When Scanning?

Health and color of the tongue important evidence on human health and often if there is a change in  tongue color it's an  evidence of disease  affect human.

1 - If the color of your tongue tends to yellowing
This indicates that a high yellow blood.

2 - If the color of your tongue tends to blue
It means that you are suffering from something wrong in the heart or respiratory system.

3 - If you tend to red , pink
This is evidence of the health

4 - If it lackluster
It indicates the presence of anemia ( anemia )

5 - If the tongue covered by white layer
It indicates the presence of a fever or trouble in digestion or fungi .

6 - If there was a jerk in the tongue when you take it out of the mouth

This is evidence of poisoning or nervous tension