The last in the subtypes of the Prana is the vyana and the udana vayu. Where the vyana vayu is responsible for the circulation, the udana vayu takes care of free expression and growth, both mental and physical.
Vyana Vayu: Keeping it all Together — Upper Valley Yoga
Chandra Bhedana Pranayama (Left Nostril Breathing): Steps, Benefits, Precautions - Fitsri Yoga
Vyana Vayu Energy Flow 10 Minutes Practice
Udana Vayu: The Up Breath—Voice and Intention — Upper Valley Yoga
Vyana Vayu: The Secret to Energetic Flow
The 5 Prana Vayus in Yoga: Udana
Anulom Vilom Pranayama: How to Practice It, Benefits and Precautions - Fitsri Yoga
Anulom Vilom Pranayama: How to Practice It, Benefits and Precautions - Fitsri Yoga
Udana Vayu: 6 Things to Know About the Ascending Wind
PDF) Shatkarma (six inner body cleansing techniques): a way of disease-free life
Vyana Vayu: the most important circulation sense - WeMystic
12 Benefits of Pranayama (Yoga Breathing) for Body and Brain - Fitsri Yoga
Which yoga poses can cure the imbalance in Vyana Vayu? - Quora
Udana Vayu: 6 Things to Know About the Ascending Wind
Samana Vayu Mudra Yoga, Yoga Sequences, Benefits, Variations, and Sanskrit Pronunciation