3 Bodies

3 Bodies; Physical, Astral and Casual

Physical Body(tangible) made of 5 gross elements-Earth/Water/Fire/Air/Ether
(Birth/Growth/Change/Decay/Death)
Has one sheath to it, the food sheath, FOOD goes 1/3 to physical 1/3 to create the mental body or thoughts and 1/3 to waste.

Astral Body, where we experience pleasure and pain, has 3 sheaths to it, and 19 elements.
19 elements are, 5 organs of action(karma indriya)-mouth/hands/feets/anus/genitals, 5 organs of knowledge(janan indriyas)-ears/eyes/nose/tongue/skin 5 prana's prana/apana/samana/udana/vijana and 4 elements of Antahkarana(inner instruments)-mind/subconcious/intellect/ego
The 3 sheaths are; Pranamaya Kosha-purifies the pranic sheath, it constitutes of the karma indriyas which is also experiencing hunger thirst, heat and cold AND the prana's is what gives energy to the Karma indriyas, so they can carry out their functions. The second sheath, the manamaya kosha, has the jnana indriyas-it's how we aquire knowledge, this sheath is purified through japa and kirtan. The third sheath is the Vijnamaya kosha, purifiying this sheath is done by right-inquiry, discrimination and decision making. It is the home of the buddhi(intellect) works in conjuctin with jnana indriyas, this means that the manamaya kosha gathers information and the Vijnamaya kosha makes sense of it.

Causal Body, is the blue print of both the gross and subtle bodies, contains all the impressions of all lives lived. It has one sheath to it, the anandamaya kosha, which is the most subtle and where bliss is experienced.