Which mineral plays a crucial role in the maintenance of bone health and is also involved in the regulation of muscle contraction?

A Calcium
B Phosphorus
C Magnesium
D Potassium
Calcium is essential for maintaining strong bones and teeth, and it also plays a critical role in muscle contraction and relaxation.
CALcium = CALm muscles
NCERT Class 12 Biology
Minerals, and Trace Elements Minerals and Trace Elements Bone Health Easy MEDICAL Confidence: high