Chief constituents of the body – Dehasya Mulam

Dosha – Vata, Pitta and Kapha
Dhatu – Body tissues – Rasa (lymph / product of digestion), Rakta (blood), Mamsa (muscle),
Meda (fat), Asthi (bone), Majja (bone marrow) and Shukra (male and female reproductory secretions)
Mala – waste products – sweat, urine and faeces Doshas, are the roots of the body.

Functions of normal Doshas – Prakruta Dosa Karma

Functions of Vata Dosha –

Vata is responsible for all movements. (Movement of blood in blood vessels, movement of nutrients, movement of air in lungs, locomotion movements of hands and legs etc.)
In its normal state Vata causes enthusiasm,
Vatha Dosha regulates respiration process,
Regulates all locomotor movements,
Regulates all activities of mind,
speech,
initiation of natural urges (tears, faeces, urination, sneezing, coughing, vomiting yawning etc)
maintenance of the Dhatus (tissues) in their normalcy and
proper functioning of the sense organs.

Functions of Pitta Dosha –

In its normal state Pitta causes digestion and metabolism
Maintenance of body temperature,
vision,
Causes hunger, thirst, appetite,
Maintains skin complexion, intelligence, courage, valour, and softness (suppleness) of the body.

Functions of Kapha Dosha –

Kapha confers stability, lubrication, compactness (firmness) of the joints,
Kshama – It is the cause for mental capacity to withstand or withhold emotions, strains etc. It is also cause for forgiveness

Functions of body tissues and waste products – Prakrita Dhatu & Mala Karma

Functions of body tissues (Dhatus)–

Rasa Dhatu (product of digestion and metabolism) – provides nourishment
Rakta (blood) maintenance of life activities,
Mamsa (muscle) – enveloping (covering) – it covers around bones and enables voluntary and involuntary actions
Meda (fat) – lubrication,
Asthi (bones) – support, forms the framework of the body
Majja (bone marrow) – filling the inside of the bones and
Shukra (male and female reproduction system)- conception and pregnancy

Functions of waste products (Malas)–

Maintenance of strength of the body is the chief function of faeces;
Elimination of moisture (water) is of urine, and
Slow elimination of moisture is of the sweat.