What element is linked to the sense of smell?

The correct choice is linked to the sense of smell due to its association within traditional Chinese medicine and the five-element theory. In this context, the Metal element is connected to the lungs, which are responsible for the sense of smell and the intake of Qi (energy). The lungs play a significant role in respiration and the filtration of air, directly connecting to the olfactory senses, which detect scents and odors.

This relationship emphasizes the importance of the Metal element in supporting respiratory functions and, consequently, the sense of smell. Understanding this connection helps grasp how different elements influence various body functions and senses according to these traditional principles.