Body parts that you can live without

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Spleen - The spleen has many uses, like producing blood and defense cells for fetuses. After a baby is born, the spleen starts to destroy harmful cells in the body.

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Spleen - Since the spleen stores so much blood, any injuries to it can be lethal. A swelling spleen can lead to internal bleeding, so some choose to get it removed.

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Kidneys - Kidneys: those oddly-shaped organs that take toxins out of the bloodstream and regulate blood pressure.

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Kidneys - Lose both kidneys and you're in trouble. However, humans can function pretty well with just one kidney.

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Kidneys - If you lose both kidneys, dialysis can be used to keep you alive. That is, until someone donates a spare kidney.

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Lungs - Lungs are one of the largest organs in the human body. In fact, the surface area of two lungs is the same size as a tennis court.

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Lungs - That being said, humans can survive with just one lung. Matter of fact, Pope Francis is someone who has lived with just one lung for decades.

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Bladder - The bladder is a super important organ that removes waste and helps process urine.

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Bladder - However, a human can have their bladder safely removed. The organ can be taken out to treat cancer or certain medical disorders.

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Bladder - If you get your bladder removed, you may need to get a special bag attached to your abdomen. This procedure is called urostomy.

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Stomach - People get their stomach removed to combat certain cancers and genetic disorders.

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Stomach - If a patient has their stomach removed, it's likely that the esophagus will be connected to the small intestine.

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Thyroids - Thyroids produce hormones that monitor metabolism in the human body. Thanks to medical innovation, thyroids can be "replaced" if they are damaged.

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Thyroids - Synthetic hormones have been developed to replicate the role of thyroids.

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Tonsils - Tonsils can help humans prevent sickness. They catch germs and direct the body to make white blood cells to combat them.

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Tonsils - That said, tonsils can be easily removed, with no real side effects.

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