Question

.............. required by the body in very small quantities​

Answer 1

Answer:

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Although required in very small amounts, trace elements such as iron, iodine, fluoride, copper, zinc, chromium, selenium, manganese and molybdenum are vital for maintaining health. Also referred to as microminerals, these trace elements are part of enzymes, hormones and cells in the body.

Explanation:

Answer 2

Answer:

Vitamins

Explanation:

Carbohydrates, proteins and fats are macronutrients which help in the body building mechanism. They regulate several metabolic functions inside the body. Carbohydrates are the major source of energy production in plants and animals. Proteins help in the body building mechanism. Vitamins and minerals form the micro nutrients, i.e., required in small quantity in our body.