It plugs the windpipe, and so prevents the passage of air into the lungs, and, thus placed, it makes a battery through which the life current flows into the body as long as the circuit is kept closed.
Ixhuma i-windpipe, futhi kanjalo ivimbele ukuhamba komoya ungene emaphashini, futhi, ngaleyo ndlela ibekwe, yenza ibhethri lapho impilo yamanje ingena emzimbeni inqobo nje uma umjikelezo ugcinwa uvaliwe.