Which of the following minerals is essential for the maintenance of strong bones and teeth, and also plays a role in muscle function and nerve function?

A Chromium
B Copper
C Phosphorus
D Calcium ✓

Explanation

Calcium is the most abundant mineral in the human body, and it plays a crucial role in the maintenance of strong bones and teeth, as well as muscle function and nerve function.

Source

National Institutes of Health (NIH)
Minerals and Trace Elements Nutrition and Biochemistry Calcium Easy MEDICAL Confidence: high