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GED Science Pre Test
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Potassium is receiving special attention as an important nutritional requirement. Potassium ions help conduct an electric charge that is important in the transmission of nerve impulses and muscle contraction. Foods such as bananas and dried apricots are rich in potassium. These foods are recommended for persons who lose potassium because their medication causes the loss of body water. Why might the heart malfunction because of loss of potassium?
sewage contamination of water supplies
taste bitter, turn litmus blue
to protect and provide support for the cell
Contraction of heart muscles requires potassium
Reveal Answer
Correct Answer:
Contraction of heart muscles requires potassium
Explanation:
Correct answer: Contraction of heart muscles requires potassium
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