What Are The 12 Organs Of The Body?

What is the hardest bone in the human body?

There are 22 bones in the human skull.

The hardest bone in the human body is the jawbone..

What are the 7 Major organs of the human body?

They are the heart, brain, kidneys, liver, and lungs.

Is mouth an organ?

Also known as the oral cavity, the mouth is the hollow cavity that allows food and air to enter the body. The mouth contains many other organs – such as the teeth, tongue, and the ducts of the salivary glands – that work together to aid in the ingestion and digestion of food.

What are the main body organs?

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.

How many organs do we have in our body?

Organ Systems of the Human Body The human body consists of eleven organ systems , each of which contains several specific organs . An organ is a unique anatomic structure consisting of groups of tissues that work in concert to perform specific functions.

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 4 examples of organs?

Here are all of the organ systems with some examples of organs found in each system:Integumentary (skin, hair, nails)Skeletal (bones)Muscular (smooth, cardiac, and skeletal muscles)Circulatory (heart, arteries, veins)Respiratory (lungs, diaphragm, larynx)Digestive (stomach, intestines, liver)More items…•

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 strongest muscle in the human body?

masseterThe strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars.

Is skin a organ?

The skin is the body’s largest organ. It covers the entire body.

Is blood an organ?

Technically, blood is a transport liquid pumped by the heart (or an equivalent structure) to all parts of the body, after which it is returned to the heart to repeat the process. 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.

Where is your liver at?

The liver is your largest internal organ. About the size of a football, it’s located mainly in the upper right portion of your abdomen — beneath the diaphragm and above your stomach — but a small portion extends into the upper left quadrant.

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 is the largest 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.

Where are the human organs?

Inside the Torso Organs are the body’s recognizable structures (for example, the heart, lungs, liver, eyes, and stomach) that perform specific functions. An organ is made of several types of tissue and therefore several types of cells.

What are humans made of?

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life.

How large is a human kidney?

Each kidney is about 4 or 5 inches long, roughly the size of a large fist. The kidneys’ job is to filter your blood.