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Sweat bees - This is the news coming straight from Taiwan. A woman known as Ms He was pulling out weeds when sweat bees flew into her eyes.

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Sweat bees - Doctors had to pull the insects from her eyes! The insects were still alive when they were extracted.

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Squid - There's a lot of people who can't stand raw seafood. But there is one valid reason to be cautious: swallowing squids!

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Squid - In 2012, a woman in South Korea bit into a squid dish, before spitting it out. The squid still had working organs, and squid organisms started living in her mouth.

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Cockroaches - One of the most horrifying entries here. An Indian woman named Selvi made headlines after doctors found a cockroach living inside her head.

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Cockroaches - Reports say that the roach entered through her nose as she slept. "It didn't seem to want to come out," one doctor said.

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Eels - Eels have a couple of uses. Not only do they make an interesting meal, they can also be used to clean dead skin from our bodies.

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Eels - However, a man got the wrong end of an eel back in 2011. Chinese man Zhang Nan was lying by a pool, when an eel, ahem, entered inside his body. It was later removed at a hospital.

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Parasitic twin - One of the weirdest medical horror stories ever. One man, Sanju Bhagat, found a parasitic twin living inside of him!

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Parasitic twin - That's right, Sanju Bhagat was rushed to the hospital back in 1999. Doctors operated, and found a half-human creature living inside of him!

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Snails - Snails seem like pretty friendly creatures. At least they have a nice little home, unlike the slick and slimy slugs.

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Snails - However, back in 2013, a small boy named Paul Franklin cut himself at the beach. After a few weeks, doctors found a sea snail living under the skin. He kept it, and even named it Turbo.

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Spiders - Over the years, there's been many reports of spiders found under our skin.

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Spiders - In 2014, a man named Dylan Thomas made headlines after he claimed to have a tropical spider pulled from his stomach!

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Botflies -

Also known as gadflies and heel flies, this insect is pretty gross. Female botflies lay their eggs on animal bodies.

(Photo: Wikimedia/CC BY 3.0)

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Botflies - Botflies can burrow into the human eye, where they lay eggs. A boy in Honduras made headlines after doctors removed a botfly from his eye.

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Candiru - The menacing Candiru is also known as the toothpick fish or vampire fish. Don't click on if you're faint-hearted!

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Candiru - The Candiru is native to the Amazon Basin. It's recommended that men don't pee in the water, as Candiru can make a home out of their private parts! Yuck!

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Maggots - Maggots might be the most-hated insect out there. The tiny creepy-crawlies can actually live under human skin!

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Maggots - There have been many gruesome reports of maggots living in humans. If you're really that curious, Google's your friend.

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Tapeworms - Few bugs are as terrifying as tapeworms. The parasites can live in underprepared food, and they take on new life when entering the human body.

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Tapeworms - Tapeworms survive by basically eating whatever you eat. They can grow up to nearly 40 feet (over 12 meters!).

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Pea Plant - It isn't just animals that have lived inside the human body. In 2010, reports emerged of a pea plant growing inside somebody!

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Pea Plant - American man Ron Sveden suffered a collapsed lung, and was rushed to hospital. A half-inch sprout was found in his body.

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Raccoon roundworm - Medically known as the Baylisascaris procyonis, the racoon roundworm got its name for often living in, or with, raccoons.

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Raccoon roundworm - Back in 2010, an American man named John Matthews thought he was going blind. Turns out a raccoon worm parasite was living in his retina.

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Fir Trees - Fir trees are what we use for Christmas trees. But in 2009, a fir tree was found in the most unexpected of places.

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Fir Trees - It started when a man named Artyom Sidorkin started coughing up blood. Doctors originally thought it was a tumor, but it was actually a fir tree. Professionals think the man swallowed a fir tree seed that grew between his lungs.

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Dandelions - Medical professionals were shocked when a dandelion was found growing inside a girl in China.

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Dandelions - The dandelion was discovered twisted inside her ear. Guess dandelions really do grow anywhere.

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