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.
Nerve damage to your leg can cause muscle weakness and pain. Nerve damage in your legs is often referred to as neuropathy. Neuropathy can be caused by injury or diabetes complications. When you suffer from nerve damage in your legs, you may notice trouble standing, walking or even sitting due to decreased strength. Upon diagnosis, most doctors recommend that you perform physical therapy exercises to regain strength and aid in the healing process.