The raw materials that formed the solar system were MOST LIKELY

4.6 million years ago the solar system was a cloud of dust and gas known as a solar nebula, other material that was most likely present was calcium and iron.

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.

answer; /// the shaft of the hair consists of dead cells;