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.
Osteoarthritis of the spine is a breakdown of the cartilage of the joints and discs in the neck and lower back. Sometimes, osteoarthritis produces spurs that put pressure on the nerves leaving the spinal column.This can cause weakness and pain in the arms or legs.steoarthritis of the spine may cause stiffness or pain in the neck or back. It may also cause weakness or numbness in the legs or arms if it is severe enough to affect spinal nerves or the spinal cord itself. Usually, the back discomfort is relieved when the person is lying down.