FORMS OF PRANA

Prana in our body which enters through breath is divided as five types

Pran    -  Heart  - breathing in and out
Apaan   - guda   -  nissaran (discharge )
Samaan  - nabhi  - food digestion and blood 
Udaan - throat  - food swallowing
Vyaan  - full body - making organs active

Now there are five Upa pranas for these five respectively
They are

Naag (pran) - burp,cough
Koorma (apaan) - opening and closing eye lids
Krikara (samaan) - sneezing ,hunger and thirst
Devdutt (udaan) - yawning
Dhananjay ( vyaan) - dissolution of body after death