phosphorus poisoning. Poisoning caused by the ingestion of substances containing yellow phosphorus, such as rat poison or roach poison. Yellow phosphorus is used in manufacturing fireworks and fertilizers.hosphorus poisoning. Poisoning caused by the ingestion of substances containing yellow phosphorus, such as rat poison or roach poison. Yellow phosphorus is used in manufacturing fireworks and fertilizers.
Your heart, located in the middle of your chest and protected behind your ribs, is one of the most important organs in your body. It can be very worrying if you experience any kind of chest pain because of the fear of having a heart attack. However, not all pains in your chest are caused by cardiac pains.
Working That Muscle. Your heart is really a muscle. It's located a little to the left of the middle of your chest, and it's about the size of your fist. There are lots of muscles all over your body â in your arms, in your legs, in your back, even in your behind. But the heart muscle is special because of what it does. The heart sends blood around your body.