Neurons classified according to functionâsensory : conduct impulses to the spinal cord and brain ; motor : conduct impulses away from brain and spinal cord to muscles and glands ; and interneurons : conduct impulses from sensory neurons to motor neurons B. Glia ( neuroglia ) 1 . Support cells , bringing the cells of nervous tissue together ...
Eight of the water-soluble vitamins are known as the vitamin B-complex group: thiamin (vitamin B1), riboflavin (vitamin B2), niacin (vitamin B3), vitamin B6 (pyridoxine), folate (folic acid), vitamin B12, biotin and pantothenic acid.
Niacin (vitamin B3) Niacin, which is also known as vitamin B3, is one of the water soluble vitamins. The water soluble vitamins include all of the B vitamins and vitamin C. The fat soluble vitamins include vitamins A, D, E, and K. Unlike the fat-soluble vitamins, the water soluble vitamins are not stored in the body and must be replenished daily.