Homeostasis in living things is regulated by the action of? question 5 options: a. the nervous system, only b. the endocrine system, only c. both the nervous and endocrine systems d. neither the nervous nor the endocrine system

The correct answer is option D , "Neither the nervous nor the endocrine system"

Homeostasis is a self-regulating process which accounts for maintaining stability for the survival of an individual. The process through which stability is achieved is a dynamic process which continues until equilibrium is maintained. Through homeostatic regulations, all the processes of integration and function of balance (either mechanical, electrical, hormonal etc. )  are controlled and mediated.

i believe you meant to say air rather than hair so the answer is below ")

the dead sea, the lowest place on earth at 430 metres (1,410 ft) below sea level, has a correspondingly high typical atmospheric pressure of 1065 hpa.