This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water â hence the name photosynthesis, from the Greek Ïá¿¶Ï, phÅs, light, and ÏÏÎ½Î¸ÎµÏÎ¹Ï, synthesis, putting together.
The human body's own cartilage is still the best material for lining knee joints. This drives efforts to develop ways of using a person's own cells to grow, or re-grow cartilage tissue to replace missing or damaged cartilage.
Benefit: Works the quads and hamstrings to stabilize and support the knee. How to do it: Stand behind a sturdy bench or step (6 to 12 inches high) and place right foot flat on top of it, making sure heel is not hanging off edge. For a greater challenge, hold a 5-pound weight in each hand or raise height of step.