Which of the following is/are true? Human-made plastics and nylons do not contain carbon.
Only living organisms contain carbon.
All living and many nonliving materials contain carbon.
All of the above.

they absorb it i think

not sure

you

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.