In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons) is a polyhedron composed of four triangular faces, three of which meet at each corner or vertex. It has six edges and four vertices. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces. The tetrahedron is the three-dimensional case of the more general concept of a Euclidean simplex.
6 Vitamins And Minerals That Boost Brain Power. 1  1.Thiamine (B1) 2  2. Folic acid (B9) 3  3. Ascorbic acid (vitamin C) 4  4. Calcium. 5  5. Magnesium. 6  6. Zinc. 7  Also Watch A Video On: Top 4 Healthy Foods to Boost Your Brainpower. 8  Conclusion.
Thiamin is a water-soluble B vitamin that helps your cells produce energy from carbohydrates. It is essential for the functioning of the heart, muscles and nervous system because it plays a role in conducting nerve impulses and in muscle contraction.hiamin is a water-soluble B vitamin that helps your cells produce energy from carbohydrates. It is essential for the functioning of the heart, muscles and nervous system because it plays a role in conducting nerve impulses and in muscle contraction.