What organ do we not use anymore?

The appendix may be the most commonly known useless organ.
While plant-eating vertebrates still rely on their appendix to help process plants, the organ is not part of the human digestive system.
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What organ is no longer useful?

Appendix. The appendix is perhaps the most widely known vestigial organ in the human body of today. If you've never seen one, the appendix is a small, pouch-like tube of tissue that juts off the large intestine where the small and large intestines connect.
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What organs can you lose and still live?

You'll be surprised as to how much you could lose and still live. You can still have a fairly normal life without one of your lungs, a kidney, your spleen, appendix, gall bladder, adenoids, tonsils, plus some of your lymph nodes, the fibula bones from each leg and six of your ribs.
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What organ do we not need?

The appendix may be the most commonly known useless organ.

While plant-eating vertebrates still rely on their appendix to help process plants, the organ is not part of the human digestive system.
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What body parts do you not need?

Below, we review seven vestigial organs and body parts that, if we had to, we could do without.
  • The Appendix. Our “vermiform process,” or appendix, is perhaps the best-known among or vestigial organs. ...
  • Wisdom Teeth. ...
  • Coccyx. ...
  • The External Ear. ...
  • Male Nipples. ...
  • Arrector Pili. ...
  • Plica Semilunaris.
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Body Parts Humans Don't Actually Need Anymore



Is the spleen useless?

Yes, we can live without spleen, but that doesn't mean it is completely useless. In fact the spleen filters blood and helps the body fight infections. Technically, spleen can be removed provided it is damaged. However, it must be remembered that people without a spleen are much more prone to infections.
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Is the appendix a useless organ?

The appendix, notorious for its tendency to become inflamed or even rupture, has historically been viewed as a vestigial organ with no real function. But new research supports the idea that the appendix may indeed serve a purpose: to protect beneficial bacteria living in the gut.
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Are ears useless?

Around the human ear are tiny, weak muscles that once would have let evolutionary ancestors pivot their ears to and fro. Today, the muscles aren't capable of moving much — but their reflex action still exists. These muscles are vestigial, meaning they're remnants of evolution that once had a purpose but no longer do.
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Why am I vibrating in my head?

Why does my brain feel like it's vibrating? Vibrating brain feeling can have two main causes. The effects of chronic stress, which we call hyperstimulation. Hyperstimulation can cause body-wide tremors and trembling symptoms, including causing the brain to feel like its vibrating.
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What were tail bones used for?

Weight is distributed between the bottom portions of the two hip bones (or ischium) and the tailbone, providing balance and stability when a person is seated. The tailbone is the connecting point for many pelvic floor muscles.
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Why do I hear thunder in my ears?

If not, you probably know someone who can do a weird thing with some part of their body. Well, apparently there are some people who can produce a low, thunder-like rumble in their ears on command. This is done by contracting their tensor tympani – a small muscle located above the auditory tube in their ear.
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What are the 7 vital organs?

Scientific view
  • The brain. The brain is the control centre of the nervous system and is located within the skull. ...
  • The lungs. The lungs are two sponge-like, cone-shaped structures that fill most of the chest cavity. ...
  • The liver. ...
  • The bladder. ...
  • The kidneys. ...
  • The heart. ...
  • The stomach. ...
  • The intestines.
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Why is the tailbone useless?

The Tailbone: Grandpa didn't have a tail, but if you go back far enough in the family tree, your ancestors did. Other mammals find their tails useful for balance, but when humans learned to walk, the tail because useless and evolution converted it to just some fused vertebrae we call a coccyx.
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What is the most useful organ?

Anatomy & Function

The brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.
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Can you pee without kidneys?

Kidney dialysis. If you have both kidneys completely removed, you will not make any urine. You will need to have kidney dialysis.
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What was the appendix used for in the past?

Some studies suggest that as ancient humans were predominantly herbivorous, they used their appendixes for digestion. However, as humans evolved, they started to include more easily digestible food in their diet and the appendix eventually lost it function.
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What are the 11 organs?

The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.
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Do humans come from monkeys?

Humans and monkeys are both primates. But humans are not descended from monkeys or any other primate living today. We do share a common ape ancestor with chimpanzees. It lived between 8 and 6 million years ago.
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Can humans be born with tails?

Human tails are a rare entity. The birth of a baby with a tail can cause tremendous psychological disturbance to the parents. They are usually classified as true and pseudo tails. [1] Tails are usually associated with occult spinal dysraphism.
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Did humans have a tail?

Many believe that human ancestors had and used some form of a tail. Over time as a species, however, we evolved past the need for such an organ, which is why the majority of humans no longer grow them. Most humans grow a tail in the womb, which disappears by eight weeks.
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What can we live without?

Here's a look at some of the organs you can live without.
  • Lung. For instance, you only need one lung. ...
  • Stomach. Another organ you don't need is your stomach. ...
  • Spleen. You can also live without your spleen, an organ that normally filters blood. ...
  • Appendix. ...
  • Kidney. ...
  • Gallbladder. ...
  • Liver, sort of.
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Can you live without a kidney?

Because your kidneys are so important, you cannot live without them. But it is possible to live a perfectly healthy life with only one working kidney.
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What are the 3 most important organs?

Vital organs
  • Brain. The brain is the body's control center. ...
  • Heart. The heart is the most important organ of the circulatory system, which helps deliver blood to the body. ...
  • Lungs. The lungs work with the heart to oxygenate blood. ...
  • Liver. The liver is the most important organ of the metabolic system. ...
  • Kidneys.
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Why does my ear pop when I blink?

Your eustachian tubes may not be able to open or close properly when you have allergies, a cold, sinus infections, or polyps or tumors in your nose. This causes ear popping or crackling sounds.
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Why do my ears crackle when I yawn?

When the pressure in your ears changes – whether from a change in altitude, going underwater, or just yawning – you might hear crackling or popping sounds. These sounds are caused by a tiny part of your ear known as the eustachian tube.
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