It causes swelling (edema) of the legs. It can also cause sores on the legs. Muscles in your feet and legs help your veins move blood to the heart against gravity. The veins also have one-way valves that keep the blood from flowing backwards. The valves work like one-way gates.
This article is about the children's book by Dr. Seuss. For other uses, see Lorax (disambiguation) . The Lorax is a children's book written by Dr. Seuss and first published in 1971. It chronicles the plight of the environment and the Lorax, who speaks for the trees against the greedy Once-ler.
Production of VX began in 1961; although it is less volatile than tabun or sarin, it is more toxic. Aerosols of VX are deadly and it can also be absorbed through the skin. There were over 3000 fatalities on one occasion when VX was tested, but fortunately these casualties were sheep.