Answer:
iron
Step-by-step explanation:
Also known as micro minerals, trace elements are a set of inorganic chemicals needed by humans in small quantities, which perform various metabolic functions in the body, especially in the formation of enzymes vital to the most diverse biochemical processes performed by cells. They are acquired through balanced and diversified diets.
Iron is an example of a vital trace element for the human body. Iron acts as a component of hemoglobin, myoglobin and respiratory enzymes; It is critical to the process of cellular respiration as it binds to O2 leading it to cells and CO2 to return it abroad. It can be ingested by feeding with livers, egg yolk, legumes, nuts and green vegetables. Also, iron is essential to prevent anemia.