Explanation

Calcium is considered a micronutrient because it is required in small quantities.

It plays a crucial role in various physiological functions, including:

• bone and teeth health
• muscle function
• nerve transmission
• blood clotting.

They support various metabolic functions.

It includes:

• vitamins (such as vitamin C, vitamin D, and vitamin B12) 
• minerals (such as iron, zinc, calcium, and magnesium).

Additional information:

Macronutrients needed in larger quantities, including:

• carbohydrates
• proteins
• fats

It provides energy and serves as a building block for bodily tissues.