A shiny grey coloured element that is a co-factor in enzyme regulations and is a macro nutrient is called magnesium. Magnesium being a secondary macro nutrient is crucial for growth and development.
The correct answer is:
Option B. Protecting teeth from acid-forming bacteria
This can be explained as:
- Magnesium is the macro nutrient that is essential for healthy bone development and growth.
- It is a co-factor that regulates many biological and chemical activities of the body like muscle formation, protein and nerve functions.
- It is a bone component that also regulates the amounts of other minerals in the body.
Therefore, magnesium does not protect teeth.
To learn more about functions of magnesium follow the link:
https://brainly.com/question/3406620
