Explain why the human mouth over salivates when embarrassed, flustered or when you are being interacted with

In most cases, excess saliva may be swallowed but if drooling is present, it may be an indication of difficulty swallowing.

Causes of Excessive Saliva in the Mouth. The causes of impaired saliva drainage from the mouth are discussed under oropharyngeal dysphagia.

answer; i believe its the red blood cells; plz check first good luck