What substances are used up as the reactants in cellular respiration? a. O2 and H20
b. O2 and CH1206
c. CO2 and C6H1206
d. CO2 and H20

well

explanation:

the answer will be a) proteins i believe

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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.