What Are The 12 Organs Of The Body?

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 is the largest organ in the human body?

Skin is the human body’s largest organ. 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.

What is the fastest thing in the human body?

The eye: the fastest muscle in the human body.

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 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

What are the 4 main organs?

1. 4 Basic organs of the bodyHeart – Your heart is between the two lungs at the front of your chest. … Lungs – your lungs are sponge-like organs. … Liver – your liver is the organ below the lungs that acts like a filter for the blood. … Kidneys – the kidneys are also filters.More items…•

How many organs are in the human body?

In the study of anatomy, the term viscus refers to an internal organ. Viscera is the plural form. The number of organs in any organism depends on which precise definition of the term one uses. By one widely used definition, 79 organs have been identified in the human body.

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.

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.

What is below the heart in the human body?

Your heart is located behind your sternum and between your two lungs. The heart is located closer to the front of your chest, in front of your esophagus and spine. Below your heart is your diaphragm, stomach, and liver.

What are the 7 main organs in the human body?

Some of the easily recognisable internal organs and their associated functions are:The brain. The brain is the control centre of the nervous system and is located within the skull. … The lungs. … The liver. … The bladder. … The kidneys. … The heart. … The stomach. … The intestines.

Which body part can only be found 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.

Is blood an organ?

Blood is both a tissue and a fluid. It is a tissue because it is a collection of similar specialized cells that serve particular functions. These cells are suspended in a liquid matrix (plasma), which makes the blood a fluid.

What’s the smallest thing in the world?

quarksProtons and neutrons can be further broken down: they’re both made up of things called “quarks.” As far as we can tell, quarks can’t be broken down into smaller components, making them the smallest things we know of.

What is the hardest working organ in your body?

HeartHeart. Every cell in the body depends on this muscle, the body’s hardest-working organ.

Can you live without kidneys?

Can you live without kidneys? 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.

Which organs purify our blood?

The kidneys are two bean-shaped organs responsible for filtering the blood and removing waste.

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.