The concept of the "Pancha Koshas" or "Five Koshas" is an important aspect of Hindu philosophy and yoga. According to this concept, the human body consists of five layers or sheaths, each with its own characteristics and functions. These five koshas are:

1. Annamaya Kosha (Physical Sheath): This is the outermost layer of the human body, which is composed of physical matter. It includes the physical body, organs, tissues, and cells. This sheath is responsible for the maintenance of the physical body, including its growth, development, and sustenance.
   
   
2. Pranamaya Kosha (Energy Sheath): This is the layer of the human body that is responsible for the regulation of energy and the flow of vital life force, known as prana. It includes the respiratory and circulatory systems, as well as the subtle energy channels or nadis that run throughout the body.
   
   
3. Manomaya Kosha (Mental Sheath): This is the layer of the human body that is responsible for the functioning of the mind and emotions. It includes the conscious and subconscious mind, as well as the emotions, thoughts, and feelings.
   
   
4. Vijnanamaya Kosha (Wisdom Sheath): This is the layer of the human body that is responsible for the development of wisdom, intuition, and spiritual knowledge. It includes the intellect, higher mind, and intuition.
   
   
5. Anandamaya Kosha (Bliss Sheath): This is the innermost layer of the human body, which is responsible for the experience of pure joy and bliss. It represents the ultimate state of consciousness, where the individual self merges with the universal consciousness.
   
   

The concept of the five koshas is important in the practice of yoga and meditation, as it helps individuals to understand and connect with their true nature, beyond the limitations of the physical body and the mind. By working with each of these layers or sheaths, individuals can gradually move towards a state of spiritual awakening and self-realization.