Camilla and Kevin were debating how waves travel through matter. Kevin said that all waves must travel through some kind of matter. This is why there is no sound in space. Because there is no matter in space (that is called a vacuum). Camilla disagreed with Kevin and argued that while some waves need matter to travel, not all of them do.

c. establishing proper sleep hygiene

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.