Question: What’S Inside A Human Body?

What are the 78 organs in the human body?

Among these 78 organs, five organs are considered as vital for survival.

These include the heart, brain, kidneys, liver and lungs….Types of Organs in a Human Body.Adrenal GlandsBladderHeartKidneysPancreasPharynxThymus GlandTongueTestesSeminal vesicles13 more columns.

How much water is inside a human body?

Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.

What is the smallest organ in the body?

What’s the smallest organ in the human body? You’ll find the pineal gland near the center of the brain, in a groove between the hemispheres. It’s not an organ like those in the abdominal cavity.

What’s 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.

What’s the heaviest part of your body?

Top 10: What are the heaviest organs in the human body?Skin. Skin © iStock. Average weight: 4,535g. … Liver. Liver © iStock. Average weight: 1,560g. … Brain. Brain © iStock. Average weight: 1,500g. … Lungs. Lung © iStock. Average weight: 1,300g. … Heart. Heart © iStock. Average weight: 300g. … Kidneys. Kidneys © iStock. Average weight: 260g (pair) … Spleen. Spleen © iStock. … Pancreas. Pancreas © iStock.More items…

Is skin the smallest organ?

The largest organ is the skin, while the smallest organ is the pineal gland, which produces the hormone melatonin. Some organs are necessary for survival; these are called vital organs. Humans have five vital organs that they cannot live without: the brain, heart, liver, kidneys, and lungs.

What body parts are 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 organs can you 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.

Who named our body parts?

When the ancient Greeks were naming body parts, they were probably trying to give them names that were easy to remember, says Mary Fissell, a professor in the Department of the History of Medicine at Johns Hopkins.

Can humans have tails?

Humans do have a tail, but it’s for only a brief period during our embryonic development. It’s most pronounced at around day 31 to 35 of gestation and then it regresses into the four or five fused vertebrae becoming our coccyx. … A tail would just get in the way and be a nuisance to this type of locomotion.”

What’s the heaviest organ in your body?

The largest solid internal organ is your liver. It weighs approximately 3–3.5 pounds or 1.36–1.59 kilograms and is about the size of a football. Your liver is located beneath your rib cage and lungs, in the upper right area of your abdomen.