Fill in the blanks Photons of light strike photosystem two (PSII), causing electrons to become excited and sending them on their "roller coaster ride," called the chain.

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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.

a compound light microscope is used to magnify objects in steps.  

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