Which one of the following is not a trace element in the human body?

Question

a. fluorine
b. nitrogen
c. zinc
d. manganese
e. iodine.

The human body contains about 2.6% nitrogen. That is way above the percent in the definition of trace elements See:

http://en.wikipedia.org/wiki/Micromineral

Let's say a man cuts off a finger accidentally. Based on your knowledge of cells and their membranes what would you do to save it?

manganese

zinc

what is a trace element?

Answer 1

A trace element is an element that is present in very small amounts in the body. Trace elements are essential for normal body functions, such as growth, development, and metabolism. Examples of trace elements include iron, zinc, copper, selenium, iodine, and manganese.