which meridian regulates blood pressure
When the meridian system is free flowing and supply sufficient blood and qi to the head, normal activities of the head can be ensured. However, when the meridian system is disrupted by internal or external factors that result in impeded flow of blood and qi in the head region, headaches will then develop. Chinese acupuncture therapies for headaches always aim to unblock the meridians and collaterals, and regulate qi and blood. Acupuncture therapies are like herbal remedies, which are designed according to the underlying disharmonies of the body, so as to relieve different types of headaches effectively.
Renin is converted to a chemical called angiotensin II, which further tightens your blood vessels. In addition, neurotransmitters are thought to make the kidneys produce more renin, increasing blood pressure even more. Your kidneys also regulate your blood pressure in another way. When there is not enough fluid in your body as in cases where you are dehydrated or have experienced very heavy bleeding, your kidneys will absorb salt, or sodium, and fluid from your urine.