Question: Which Organ Is Considered A Necessary For Human Survival?

Which organ is unnecessary for human survival?

AppendixAppendix: The appendix is a small, tube-shaped organ that juts out from the first part of the large intestine.

It’s unclear what its function is, but it can be removed if it becomes inflamed or ruptures.

Pass it on: People can live without a number of organs..

What are the five vital human organs that are essential for survival?

The human body contains five organs that are considered vital for survival. They are the heart, brain, kidneys, liver, and lungs.

Can humans live without a heart?

A device called the Total Artificial Heart helps some of the sickest heart-failure patients regain function — outside of the hospital — while awaiting a transplant.

What is the longest thing in your body?

HumansThe longest bone in the human body is the femur.The largest artery is the aorta and the largest vein is the inferior vena cava.The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds).The largest external organ, which is also the largest organ in general, is the skin.More items…

What is the weakest muscle in the body?

The stapedius is the smallest skeletal muscle in the human body. At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the stapes….Stapedius muscle.StapediusInsertionNeck of stapesArteryStapedial branch of posterior auricular arteryNerveFacial nerve (nerve to stapedius)12 more rows

What is the most important organ in the body?

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.

Which is the most sensitive organ in our body?

Human skinHuman skin is the most sensitive organ of the human body. It has been reported that One square centimeter of skin has pain receptor 150, at least 25 which can sense light touch and 2 number of heat receptors.

What are the organs you can live without?

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.

What is the most useless organ?

appendixThe 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.

Can a person live without brain?

Since it controls vital functions such as breathing, swallowing, digestion, eye movement and heartbeat, there can be no life without it. But the rest of the brain is obviously capable of some remarkable feats, with one part able to compensate for deficiencies in another.

What parts of the body are useless?

Vestigial organs are parts of the body that once had a function but are now more-or-less useless. Probably the most famous example is the appendix, though it is now an open question whether the appendix is really vestigial.

What is the biggest organ in the human body?

Body organs aren’t all internal like the brain or the heart. There’s one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.