The Most Universally Recognized Facial Expression Is

question 568

Multiple Choice

The most universally recognized facial expression is

• A)pursed lips.
• B)smiling.
• C)sticking out your tongue.
• D)raising your eyebrows.

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Definitions:

Mono-

A prefix meaning single or one, used in various scientific and medical terminologies.

Thrombin

A blood plasma enzyme that initiates blood clotting by transforming fibrinogen into fibrin.

Thromboplastin

A plasma protein that catalyzes the conversion of prothrombin to thrombin, playing a crucial role in the blood clotting process.

Serum

The liquid portion of blood that remains after clotting, containing electrolytes, antibodies, antigens, and other soluble substances.