What are the primary functions of meridians in TCM?

The primary functions of meridians in Traditional Chinese Medicine (TCM) revolve around the transportation and regulation of vital substances such as qi (vital energy) and blood, as well as the balancing of yin and yang. Meridians serve as pathways that connect different parts of the body, allowing for the flow of qi and blood, which is essential for maintaining health and vitality.

By facilitating this flow, meridians help to nourish organs, tissues, and cells, ensuring that each part of the body receives the necessary energy and nutrients for optimal functioning. Additionally, meridians play a crucial role in homeostasis by balancing yin (the passive, cooling, and nourishing force) and yang (the active, warming, and dynamic force) within the body. This balance is fundamental to TCM philosophy, as it is believed that disease and illness arise from imbalances in these forces.

The other options focus on functions that do not align with the TCM concept of meridians. While transmitting nerve signals is essential for communication within the body, it is primarily a function of the nervous system rather than the meridian system. Filtering toxins is a role played by organs such as the liver and kidneys rather than the meridian pathways. Similarly, facilitating