7 Body Parts You Can Live Without

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7 Body Parts You Can Live Without

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The human body is a unique machine, with hundreds of bones and muscles all working together to keep a person alive. Organs are at the center of the action as each one has a specific purpose that helps the body perform its basic functions.

But did you know that there are certain organs that the human body can live without? It turns out that some of them are pretty useless and people can get rid of them and still live. Here are some of them.

 

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Tonsils

As part of the lymphatic system, the tonsils' main purpose is to support immune functions that help people avoid getting sick. According to the Insider, these organs catch germs that enter the body through the mouth and notify the body to produce white blood cells.

However, the tonsils can be easily removed since it isn't the only defender of the body and won't cause any health issues. In fact, tonsils eventually slow down those immune system functions, as per Mayo Clinic, so it isn't a big deal to have it removed.

 

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Wisdom teeth

The only use for third molars is it helps boost the dental industry as surgeries for their extractions make for $3 billion a year. Other than that, wisdom teeth are pretty much useless due to the change in humans' diets. Since people consumed softer and more processed food, molars were used less and less—leading to overcrowding in the mouth.

 

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Appendix

Often referred to as a useless organ, the appendix is something that people needed prior to evolution. While plant-eating animals still need their appendix in digesting food, humans can cope without it. A great number of people also have this organ removed because of appendicitis, which can cause the appendix to burst if not removed.

 

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Spleen

The initial job of the spleen is to produce blood and defense cells in developing babies. But after birth, it changes into storing blood platelets, making antibodies, and eliminating abnormal cells in the blood.

The spleen will likely experience fatal injuries since there's a lot of blood passing through it, The Insider said, adding that it's often better to have the organ removed before it bursts and causes internal bleeding.

 

Photo by: Ryan Hyde via Flickr

 

Outer ear muscles

While our ears are among the most useful and beneficial parts of the human body, the outer ear muscles are rendered useless. Also known as the auricular muscles, these parts don't benefit humans the way they do with animals (ie pinpointing sounds and decipher emotions).

The "auricularis posterior reflex" or the thing that allows some people to wiggle their ears isn't strong enough to physically move the ear, according to psychologist Steven Hackley. This is why humans are believed to turn their heads to compensate for the non-functioning auricular muscles.

 

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The third eyelid

Known as the plica semilunaris, it is a folded tissue in the corner of the eye next to the tiny lump. While it is pretty useful for mammals, reptiles, and birds, humans have no use for the third eyelid.

It acts like a "windshield-washer" for the cornea of dogs, cleaning up "debris and mucus" but the plica semilunaris in a humans' eyes are immovable and only covers the insider corner—which renders it useless.

 

Photo by: Fæ via Wikimedia Commons

 

Men's nipples

Possibly one of the most pointless body parts in the male anatomy, the nipples found in men are only there since both males and females are developed from the same genetic blueprint before there's a differentiation of sex. The development between the two sexes progresses in slightly different ways, specifically after puberty.

"There's no real metabolic cost to having nipples," said Ian Tattersall, a paleoanthropologist at the American Museum of Natural History in New York City, which means removing them won't have any effect on the male's body. 

 

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