Current cell theory:
1) mitochondria are found only in animal cells
2) cells are very different in structure from one cell to another
3) chloroplasts are found in all cells
4) other than the very first cell, cells come from preexisting cells

bc blah

explanation:

bc blah

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.