All these exercises listed below may be done for free here.
(This post is not too descriptive, you may read the whole page within 2 minutes).
Do you have high blood pressure? You may try these exercises here. Each exercise involves specific patterns like inhale, exhale, hold. You may practice these exericises simply without requiring any specific body position etc.
Inhale for 3 seconds, then exhale for 3 seconds.
Inhale for 3 seconds and exhale for 4 seconds.
Inhale for 4 seconds, then exhale for 4 seconds.
Inhale for 4 seconds and exhale for 6 seconds.
Inhale for 3 seconds, hold for 3 seconds, and exhale for 3 seconds.
Inhale for 3 seconds, hold for 3 seconds, and exhale for 4 seconds.
Inhale for 4 seconds, hold for 4 seconds, and exhale for 4 seconds.
Inhale for 4 seconds, hold for 4 seconds, and exhale for 6 seconds.
Inhale for 3 seconds, hold for 3 seconds, exhale for 3 seconds, and hold for 3 seconds.
Inhale for 4 seconds, hold for 4 seconds, exhale for 4 seconds, and hold for 4 seconds.