Question

Eyelashes, pain receptors, fingernails, and sweat glands would all be part of which system

Answer 1

They would all be a part of the Integumentary system :)

Answer 2

Eyelashes , Pain receptors , Fingernails and Sweat glands are all part of Integumentary system. This System Function is to act as a Barrier to Protect the Body from the Outside Environment.