What Organ System Is The Most Important?

What are the 5 most important organs in the human body?

Humans have five vital organs that are essential for survival.

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

The human brain is the body’s control center, receiving and sending signals to other organs through the nervous system and through secreted hormones..

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…

What is the largest organ in the human body?

The skin is the body’s largest organ.

What is the most important part of the brain?

The lowest part of the brainstem, the medulla is the most vital part of the entire brain and contains important control centers for the heart and lungs.

What time is your body the weakest?

3-4amYour body is the weakest during 3-4am. This is the time most people die in their sleep.

Is there gold in our body?

Average human body has 0.2 milligrams of Gold. One of the lesser know elements is actually Gold. An average person’s body weighing 70 kilograms would contain a total mass of 0.2 milligrams of gold.

What is the most important function of all body systems?

Body Systems, Functions, and OrgansBody SystemPrimary FunctionReproductiveReproductionNervous/SensoryCommunication between and coordination of all the body systemsIntegumentaryProtects against damageMuscular/SkeletalProvides form, support, stability, and movement to the body6 more rows

What is the hardest bone in the human body?

The hardest bone in the human body is the jawbone. The human skeleton renews once in every three months. The human body consists of over 600 muscles. Human bone is as strong as steel but 50 times lighter.

Which part of the human body Cannot repair itself?

Teeth are the ONLY body part that cannot repair themselves. Repairing means either regrowing what was lost or replacing it with scar tissue. Our teeth cannot do that. Our brain for example will not regrow damaged brain cells but can repair an area by laying down other scar-type tissue .

What organ system is the skin in?

integumentary systemThe integumentary system is an organ system consisting of the skin, hair, nails, and exocrine glands. FUN FACT: The skin is the largest organ of the human body! It accounts for about 15% of your body weight, and the average person has about 300 million skin cells.

What is the weakest part of the female body?

earsThe weakest parts of her body are her ears.

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.

Which part of the human body is like a closed first?

Explanation : Heart is likely to the size of one closed first .

What are the top 10 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.

What is the most important organ?

The brainThe brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.

What are the 3 most important body systems?

The main systems of the human body are:Circulatory system / Cardiovascular system: … Digestive system and Excretory system: … Endocrine system: … Integumentary system / Exocrine system: … Immune system and lymphatic system: … Muscular system: … Nervous system: … Renal system and Urinary system.More items…

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.

What is the weakest organ in the body?

If you meant weak as in its structural integrity, it is probably the bronchial and bronchioles in your lungs. In an explosion of some sort. The first thing that dies is said organ. If you coughed too hard some of its units might die.

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 are the 14 body systems?

These 14 systems are the Musculoskeletal system; Organs of Special Sense (optical); Auditory; Infectious Diseases, Immune Disorders, and Nutritional Deficiencies; Respiratory system; Cardiovascular system; Digestive system; Genitourinary System; Hemic and Lymphatic system; Skin; Endocrine system; Neurological …

What organ system is the stomach in?

Major Organ SystemsSystemOrgans in the SystemSome Major Functions of the SystemDigestiveMouth Esophagus Stomach Small intestine Large intestine Rectum Anus Liver Gallbladder Pancreas (the part that produces enzymes) AppendixExtracts nutrients from foods Excretes waste products from the body10 more rows

What is the longest word in the world?

pneumonoultramicroscopicsilicovolcanoconiosisThe longest word in any of the major English language dictionaries is pneumonoultramicroscopicsilicovolcanoconiosis, a word that refers to a lung disease contracted from the inhalation of very fine silica particles, specifically from a volcano; medically, it is the same as silicosis.

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.