Yes as a matter of fact it can. When the body is placed into the cement, there is still bodily gasses inside. They have to go some where you would imagine. When it secretes out it creates an air...
It starts to decay immediately and attracts flies first. It depends on the environmental conditions on how long it takes it to completely decompose. It can take several weeks or even months.Extra:It...
The head, the stomach, the arms, the circulatory system, the bones, the heart, the brain, the skin, the muscles, the hands, the small intestine, the large intestine, esophagus, the legs, the feet,...