The term that is also referred to as irritability is:

Body language includes (select all that apply):

A) Facial expressions. B) Gestures. C) Posture. D) Grammar. E) All of the above. F) None of the above.

The pigment called ________ traps ultraviolet radiation from sunlight and prevents the radiation from harming structures in the underlying layers of skin. 

Fill in the blank(s) with the appropriate word(s).