When someone dies their heart stops so all the blood in their body goes straight down due to gravity, and people who have been hanged are in an upright position. The blood goes down and fills up to about waist level, hence the legs and penis being full of blood.
their necks also stretch, so sometimes you will see someone hung from a rope with their feet actually touching the ground. its a morbid sight to see let me tell you.
When someone dies their heart stops so all the blood in their body goes straight down due to gravity, and people who have been hanged are in an upright position. The blood goes down and fills up to about waist level, hence the legs and penis being full of blood.