Matt Soniak. filed under: Big Questions, Origins. Like us on Facebook. If youâve ever seen the World Health Organization or American Medical Association logo, or the âstar of lifeâ on the side of an ambulance, you might have wondered what a snake wrapped around a stick has to do with those who fix what ails us.Well, that stick is the asklepian, or rod of Asclepius.iled under: Big Questions, Origins. Like us on Facebook. If youâve ever seen the World Health Organization or American Medical Association logo, or the âstar of lifeâ on the side of an ambulance, you might have wondered what a snake wrapped around a stick has to do with those who fix what ails us.
For the most part, the B vitamins are absorbed directly into the bloodstream in your stomach or small intestines. The exception is vitamin B-12, which must be bound to something called intrinsic factor for absorption.
Vitamin D. Vitamin D is a substance that is created naturally in the body. Sunlight exposure stimulates and increases production of vitamin D in the body naturally. This vitamin works in the digestive tract to absorb calcium into the blood stream from the walls of the duodenum, or first part of the small intestine.Vitamin D also helps maintain normal blood calcium level, which is essential to life and to cardiac function.itamin D. Vitamin D is a substance that is created naturally in the body. Sunlight exposure stimulates and increases production of vitamin D in the body naturally. This vitamin works in the digestive tract to absorb calcium into the blood stream from the walls of the duodenum, or first part of the small intestine.