Ether (Akash) is expansion in all directions with no resistance. Ether is related to the sense of sound. Whenever there is sound, ether is present. Element of space related to mouth, nose, gastrointestinal tract, respiratory tract, abdomen, thorax, capillaries and tissues.
Air (Vayu) creates unidirectional movement. Air is an important aspect of everything in life as it deals with all the movements or rhythms of life. Air is associated with the sense of touch. You feel touch through constant movement. Element of movement related to nervous and circulatory systems.
Fire (Tejas) creates transformation, warmth, reality and a sense of clarity. This is the required element of the sense of sight. Element of metabolism related to digestive and enzyme systems as well as the mind.
Water (Jala) is about receiving. Substances are easily accepted by the body through the medium of water. Water shows its presence as liquidity, a solvent making up 70% of the body. Water is associated with the sense of taste. The tongue is the only sense organ that is wet. Element of fluids related to secretions, mucous membranes and plasma.
Earth (Prithvi) is about solidity, structure, and security. It creates a specific appearance, shape and size. The earth element is responsible for expressing the sense of smell. Earth always gives off a smell, i.e. rain on dry earth. Element of solid substances related to the bodily structure.