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.
1 The four fat-soluble vitamins are vitamins A, D, E, and K. These vitamins are absorbed more easily by the body in the presence of dietary fat.  There are nine water-soluble vitamins. The body must use water-soluble vitamins right away. Any leftover water-soluble vitamins leave the body through the urine.