All living things are made up of cells.
They are accepted as true until they are proven false. Once a theory has been tested and it is wrong, then it is no longer true.
Answer:
Sistema digestivo
Explanation:
Los principales sistemas del cuerpo humano son:
Sistema respiratorio, sistema circulatorio, sistema nervioso, sistema inmune, sistema digestivo, sistema óseo, sistema urinario, sistema reproductor y sistema muscular.
Como dice el enunciado, el estómago comienza a digerir los alimentos haciendo parte, así, del sistema digestivo cuya función es digerir los alimentos y absorber sus nutrientes.
Where it came from and if it is a metal or non metal, also what it is used for (coal)
<span>The correct answer is blood glucose levels are maintained within an adequate range.</span>
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A post-absorptive state is a metabolic period that occurs when gastrointestinal tract is empty. During this state, <span>energy comes from the breakdown of body’s reserves like glycogen, tissue proteins, and some fats(glucose is released). It is important to maintain the blood glucose levels because the brain uses glucose as its main energy source.</span></span>
