What is the most useless body part?
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..
Which body part is only on humans?
Found only in humans, the hyoid bone is the only bone in the body that is not connected to any other, and is the foundation of speech. This horseshoe-shaped bone in the throat is situated between the chin and the thyroid cartilage.
What body parts are unique to humans?
Unique body partsYou’re more unique than you know — Move over fingerprints. … Good for more than hearing — … Every iris is unique — … No two are the same — … The mouth has spoken — … You can tell by the way I walk — … It’s all about touch — … DNA is still the gold standard —More items…•
Are there any useless body parts?
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 organs can I live without?
Seven body organs you can live withoutSpleen. 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 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…