Which Is Biggest Part Of Human Body?

Which is the main part of human body?

The human body consists of a bony skeleton and muscles.

The three main parts of the body are: the head, the trunk and the limbs (extremities).

The head is composed of the cranial and facial parts..

Who named all the 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.

What’s inside a human body?

Chemically, the human body consists mainly of water and of organic compounds—i.e., lipids, proteins, carbohydrates, and nucleic acids. Water is found in the extracellular fluids of the body (the blood plasma, the lymph, and the interstitial fluid) and within the cells themselves.

What is the weakest bone in your body?

The weakest bone in the human body is the spine or spinal cord, or sometimes it can be the nose as well. The weakest bone is the ethmoid bone in the nasal region as it is paper thin. The stapes in the middle ear is very delicate too and the body’s smallest bone.

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.

Which is the biggest part of the human brain?

CerebrumThe Biggest Part: the Cerebrum The biggest part of the brain is the cerebrum. The cerebrum is the thinking part of the brain and it controls your voluntary muscles — the ones that move when you want them to.

What are the 12 organs of the body?

They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems. Only the reproductive system varies significantly between males and females.

Do humans have two brains?

The human body has two brains, but not two brains as we know them,” Dr Candrawinata said. “Our brain in our head is responsible for our thinking and processing. … “This nervous system operates independent of our brain and, as a result, is more or less a legitimate second brain.

Who named the brain?

Hjarni, like German Hirn “brain” (a more common word is Gehirn), is more probably related to German Harn “urine”, whose original meaning was “bodily waste.” Such is my uncomplimentary picture of the human brain seen through the eyes of our ancestors. Anatoly Liberman is the author of Word Origins… And How We Know Them.

Is skin the smallest organ?

To date, the skin is considered to be the largest organ.

Which is the smallest bone in human being?

stapesThe stapes is the smallest bone in the human body.

Can you pee without kidneys?

If you have both kidneys completely removed, you will not make any urine. You will need to have kidney dialysis. This is a way of getting rid of waste products and excess water that the kidneys normally filter out of your blood. Dialysis means you can lead a more or less normal life without a working kidney.

Can you live without 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 are the 13 systems in the human body?

They are Integumentary System, Skeletal System, Muscular System, Nervous System, Endocrine System, Cardiovascular System, Lymphatic System, Respiratory System, Digestive System, Urinary System, and Reproductive System (Female and Male).

What are the 3 types of the brain?

The brain can be divided into three basic units: the forebrain, the midbrain, and the hindbrain. The hindbrain includes the upper part of the spinal cord, the brain stem, and a wrinkled ball of tissue called the cerebellum (1). The hindbrain controls the body’s vital functions such as respiration and heart rate.

Which is smallest organ in human 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 organs can we 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 second largest organ in the body?

The liver is considered to be the second-largest organ in the human body.