Which trace element is essential for the proper functioning of the immune system and is also involved in wound healing?

A Zinc
B Iron
C Copper
D Selenium
Zinc plays a vital role in the activation of immune cells, such as T-cells, and is also necessary for the proper functioning of enzymes involved in wound healing.
Zinc = Zero In on Cell Nutrition
World Health Organization
Minerals, and Trace Elements Minerals and Trace Elements Immune Function Easy MEDICAL Confidence: high