Video: Blood isn’t supposed to plop out like a solid, but that’s what happens when a snake’s hemotoxic venom gets mixed in with human blood — it thickens liquid blood into this congealed jelly substance. It’s pretty gross. This is how a venomous snakebite affects the body of its prey. A lot of tiny blood clots form inside the bloodstream, causing fatal blockages.
Watch the more scientific explanation of what happens when snake venom hits blood in the video by BBC Earth Unplugged below.