The heart then pumps the oxygenated blood out to the body via the aorta (the great artery arising from the left ventricle of the heart). The bronchial arteries are blood vessels that branch off from the aorta to supply blood and nutrition for the lung itself and the bronchial tubes.
Some people experience weakness in a certain area of their bodies, such as the arms or legs. Others may experience full body weakness, which is often the result of a bacterial or viral infection such as influenza or hepatitis.
What Causes Muscle Twitching and Weakness? Muscle twitches happen when the nerves inside of your body begin to fire involuntarily. In order for you to move your muscles, a series of electronic impulses are fired along nerve pathways in your body.