ओजस् :
ओजस् ( ojas )Meaning: The essence of all seven Dhātus, that is vital for life. Also indicates Bala (immunity). It is of two types: 1.Para, that is present in the heart and, 2. Apara, that is present all over the body. The ten attributes of Ojas are: Guru (heavy), Shīta (cold), Mṛdu (Soft), lakṣṇa (smooth), Bahala (abundant), Madhura (sweet), Sthira (stable), Prasanna (bright), Picchila (sticky), Snigdha (unctuous).
