Answer: Differences in facial expressions.
Explanation:
Communication is the act of relaying and receiving information between two or more people. Verbal Communication is a type of communication that involves the use of the mouth to relay information.
In communicating verbally, some barriers can be experienced. Examples are;
1. Culture-specific taboos- Some cultures may, for example, prohibit open discussion of sex-related topics.
2. Specialized biomedical Jargons-
Doctors and nurses alike may have jargon, specific to their professions which a layman might not understand.
3. Varying Connotative meaning of words- Different people might have unique interpretations of several words.
This leaves us with Differences in facial expression.