Share. Intrinsic factor is the most obscureâyet the most importantâglycoprotein in the human body. It has only one primary function that is essential for good health. Produced by the parietal cells of the stomach as well as the salivary glands, intrinsic factor has a brief, but very important life.Intrinsic factor is key for supporting energy, metabolism, and mental health by working with one nutrientâvitamin B12.ntrinsic factor is the most obscureâyet the most importantâglycoprotein in the human body. It has only one primary function that is essential for good health.
Types of Bike Helmets. There are three types of bike helmets: recreational, road and mountain. Recreational bike helmets may also be called multi-use or casual helmets. All three of these types have the same purpose which is to protect your head from impact and injury in the event of an accident.
GHSA urges all states to adopt a universal motorcycle helmet law and vigorously enforce existing laws. 1  47 states, the District of Columbia, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands have a helmet law for motorcyclists. 19 states, the District of Columbia, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands have a universal helmet law, requiring helmets for all riders. 2  The remaining 28 states and Guam require helmets for specific riders.