Which statement best defines micronutrients
a. micronutrients can be synthesized only by microbial organisms
b. micronutrients are required by the body in small quantities
c. micronutrients are essential only for infants and children
d. micronutrients are naturally made by the body

animals also include vitamins, which are organic compounds required in microgram or milligram amounts.[Since plants are the primary origin of nutrients for humans and animals, some micronutrients may be in low levels and deficiencies can occur when dietary intake is insufficient, as occurs in malnutrition, implying the need for initiatives to deter inadequate micronutrient supply in plant foods.

Explanation:

answer; a muscle cell, another neuron and a of the above