Steve is dead. Steves heart has stopped beating probably because his internal organs were damaged leading to low supply of blood. If the heart is not beating and he is not breathing it means he is dead.
Nitrogen is one of the elements found in the body
The answer is proglottids.
When tapeworm infect the intestine, it will attach a segment that consist of a part with many eggs called proglottids. The proglottids will constantly produce eggs. If the worm is removed but some of the proglottid leave behind, the infection would be recur, so it is important to remove all proglottid
