A reason could be the bodies ability to process the water based vitamin as well as the person's diet. many things have b12 in it but choosing to cut something out, like meat, could cause a deficiency
Answer:
Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life.
Explanation:
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I belive they studied rocks because that is what geological stands for.However they also studied glaciers and ice caps for seeds that contained pollen. The prehistoric 4imes often help us understand out history.
Answer:
Food (Glucose)
Explanation:
Glucose provides us with energy that is obtained through a process known as glycolysis of carbohydrates. They are our most primary sources of energy. However, Glucose only enters organs and cells, through insulin produced by the pancreas.
Answer:
Well I need more information to answer that question.
Explanation:
