A giraffe's heart, which can weigh up to 10 kg (24 lb), has to generate around double the normal blood pressure for a large mammal in order to maintain blood flow to the brain against gravity.
What does Forged mean in Urban Dictionary?: From great adversity comes great energy. As the toughest metallic is forged into the hottest fires, so too, we people are forged and enhanced through our veryâ¦
A forged part is made from a chunk of metal. It is then usually heated, and it is pounded into shape in a forging die. The extra metal oozes out from between the forging dies and must be ground off. This is why there is a large wide parting line on forged parts. A forged crank is stronger because of the steel it is made from. It could be an alloyed 4340 steel with .40% carbon, or a weaker 1020 steel that is not alloyed and has less (.20%) carbon. The early Chevy forged steel cranks crack so regularly mostly because of the weak material they were forged from.