The lungs also help the body to get rid of CO 2 gas when we breathe out. There are a number of other jobs carried out by the lungs that include: 1  Changing the pH of blood (whether the blood is more acid or alkali) by increasing or decreasing the amount of CO 2 in the body. 2  Filtering out small blood clots formed in veins.
Anxiety, however, is often the cause of jelly legs, especially severe anxiety. Take our free 7 minute anxiety test to score your anxiety severity and learn more about how to control your anxiety. Start the anxiety test here. When your legs feel like jelly, standing can feel unusual. It may be accompanied by dizziness or balance issues that are either related to the weakness in your legs, or the direct result of anxiety causing other symptoms and conditions.
New, persistent leg pain certainly warrants a visit to your doctor for evaluation. Leg pain can have many causes, but your description of aching after prolonged standing or sitting suggests a possible buildup of fluid in the leg veins (chronic venous disease, venous insufficiency).Chronic venous disease occurs when the valves in your leg veins don't work properly to keep blood moving efficiently from your legs to your heart. Instead, blood pools in your legs and feet, causing pain and ...