Calcium is a Mineral That Plays an Important Role in ____

Question

Calcium is a mineral that plays an important role in ____.  
A) producing thyroid hormone
B) water balance
C) intercellular signaling in muscles and nerves
D) supporting the hemoglobin molecule
E) maintaining the cell membrane

Accepted Answer

Calcium is involved in intercellular signaling in muscles and nerves, helping with muscle contraction and nerve function. It does not play a direct role in producing thyroid hormone (A), water balance (B), supporting hemoglobin (D), or maintaining the cell membrane (E).