The nervous and endocrine systems<span> exert the ultimate control over </span>homeostasis<span>because they coordinate the </span>functions<span> of the </span>body's systems<span>. Regulation of </span>body<span>temperature, blood pressure, pH, and glucose concentration are four examples of how the </span>body<span> maintains </span>homeostasis<span>.</span>
<span>Animals and plants both synthesize fats and proteins from carbohydrates; thus glucose is a basic energy source for all </span>living organisms<span>.</span>
What is a "structure"? a building or other object constructed from several parts. "the station is a magnificent structure and should not be demolished"
