Bruising and Bleeding. Bruising or bleeding after an injury is normal. However, some people have disorders that cause them to bruise or bleed too easily. Sometimes people bleed without any obvious triggering event or injury.
The skin of victims of mustard gas blistered, the eyes became very sore and they began to vomit. Mustard gas caused internal and external bleeding and attacked the bronchial tubes, stripping off the mucous membrane. This was extremely painful and most soldiers had to be strapped to their beds.
Who invented the gas mask that was used in World War 1? Cluny Macpherson, MD (1879 in St. John's, Newfoundland -- 1966) was a medical doctor and the inventor of the gas mask. During the First World War the German army used poison â¦ gas for the first time, against Allied troops at Ypres, France in 1915.