Simplify the following text for a Grade 8 native English-speaking person.
Original: As many of the venomous creatures of Egypt could prove fatal , Serket also was considered a protector of the dead , particularly being associated with poisons and fluids causing stiffening .
Simplified: Because of this , Serket was also known as a protector of the dead . She was associated with fluids that cause stiffening during embalming .