Multiple choice general knowledge

Nutrients needed for the effective functioning of muscles

  1. magnesium

  2. iron

  3. potassium

  4. calcium
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Explanation

Magnesium enables muscle contraction enzymes and prevents cramping, while potassium is essential for membrane potential and neuromuscular signaling. Iron primarily supports oxygen transport via hemoglobin, and calcium, while important for contraction triggering, has structural roles beyond muscle function.

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