Which body part is most important?

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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What are the 3 most important body parts?

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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What is the 2 most important part of your body?

While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.
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What is the most important body system and why?

Brain and the nervous system is the most important organ system in the body. Heart is the vital organ yet nervous system is responsible for coordinating every movement and actions your body makes including the beating of the heart. More importantly, it controls every function that is happening inside of the human body.
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What organs can you live without?

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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5 most important organs in the Human body - Human Anatomy | Kenhub



What is the most useless body part?

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 is the hardest working body part?

The heart is the hardest-working muscle in your body.
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What body part is the most reliable?

1. Back. The back is really is the motherboard of your whole body. If you mess up your back or spine, pretty much everything else is screwed.
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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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What organs are not needed?

Here are some of the “non-vital organs”.
  • Spleen. This organ sits on the left side of the abdomen, towards the back under the ribs. ...
  • Stomach. ...
  • Reproductive organs. ...
  • Colon. ...
  • Gallbladder. ...
  • Appendix. ...
  • Kidneys.
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Which body system is the least important?

The appendix may be the most commonly known useless organ.

Many years ago, the appendix may have helped people digest plants that were rich in cellulose, Gizmodo reported. 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 is a major organ?

The major organs of the body include the heart, brain, lungs, kidneys, liver, skin, bones, adrenal glands, and hematopoietic system.
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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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Is the hair an organ?

Hair is an accessory organ of the skin made of columns of tightly packed dead keratinocytes found in most regions of the body.
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Is blood an organ?

Blood is considered a type of connective tissue (sometimes). However, an organ is formed of multiple different tissues. Thus, blood is a tissue, not an organ.
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Why is the head important?

The human head is home to all the body's major sensory organs, and the most important of these is the brain. Although the nose, ears, tongue, nerves, and others parts are important, without a healthy brain, they'd all be useless. Encased in the skull, the brain is the body's centralized conveyor of all information.
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Is the heart the most important organ?

The heart is one of the body's most essential organs. The heart is the body's engine room, responsible for pumping life-sustaining blood via a 60,000-mile-long (97,000-kilometer-long) network of vessels.
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Are our bodies perfect?

Your body is far from perfect. You're the product of millions of years of evolution, but this process doesn't strive towards “perfection”. In fact, it doesn't strive towards anything.
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Which body muscle grows fastest?

As a general rule of thumb.. Always muscle groups that are larger in size l, like thighs, chest, etc.. Are easier to breakdown and always grow quicker.. Smaller muscles like triceps or calves are a little slow because the size is small and muscle fibres are thick..
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What is the weakest muscle in the body?

The Stapedius is thought to be the weakest muscle. It is also the smallest muscle in the human body.
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What is your strongest muscle?

Based on absolute strength, the ability to generate maximum force, your strongest muscle is your masseter. With one located on each side of your jaw, they lift the lower jaw (mandible) to close your mouth.
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What body part does not grow?

Answer: The eyeball is the only organism which does not grow from birth. It is fully grown when you are born. When you look at a baby's face, so see mostly iris and little white. As the baby grows, you get to see more and more of the eyeball.
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What is the longest word in your body?

What does pneumonoultramicroscopicsilicovolcanoconiosis mean? Pneumonoultramicroscopicsilicovolcanoconiosis is a term for a lung disease caused by inhaling silica dust, as in I had trouble breathing and my doctor diagnosed me with pneumonoultramicroscopicsilicovolcanoconiosis.
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Which body part have no bone?

The ears and nose do not have bones inside them. Their inner supports are cartilage or 'gristle', which is lighter and more flexible than bone. This is why the nose and ears can be bent. After death, cartilage rots faster than bone.
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Why do we have 2 kidneys?

They help your bones stay healthy, tell your body when to make new blood cells, and even help you stay upright when you're walking around all day by taking care of your blood pressure. With all those important functions, scientist think having two kidneys must be important for our survival.
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