Which divergent channels separate at the axilla?

The divergent channels that separate at the axilla are indeed the Heart (HT) and Lung (LU) channels. In Traditional Chinese Medicine, divergent channels are believed to connect the primary meridians to each other and allow for deeper treatment of diseases that may involve internal organs.

The separation point at the axilla is significant because it suggests an anatomical location where these channels branch out to connect with the Heart and Lung organs more intimately. The Heart channel is closely linked to the function of emotional regulation and connection to the spirit, while the Lung channel is associated with respiration and the immune system. Their divergence at the axilla indicates a vital convergence of vital functions—emotional well-being and physical health.

This understanding reflects the integrated approach of Traditional Chinese Medicine, emphasizing the interplay between organ systems and their associated channels. The selection of Heart and Lung as the correct answer highlights their functional relationship within this anatomical context and their importance to overall health.