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

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.

answer; /// i really don't understand your question/statement.but/lions do fight over territory and breeding rights, sometimes to the death,this is called( i hope this answered your luck