What Siddha Medication system says about human body?

For blood secretion ­ Astringency (Thuvarpu)

For bone growth and metabolism – Saltiness

For Tissue growth and metabolism – Sweetness

For cholesterol maintenance – Sourness  

For Strengthening the Nerve System – Bitterness

For proper functioning of glands – Pungency (Spiciness)

The above said matter in tamil