What Is The Biggest Organ In The Human Body?

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..

What is the most important muscle in the body?

human heartHappy Heart Month, everyone! The human heart is the most incredible muscle in the body, beating about 100,000 times to send 3,600 gallons of blood through 75,000 miles of blood vessels each day.

What is the second largest organ in the human body?

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

What is the smallest organ in the human body?

pineal glandWhat’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.

Is brain an organ?

The 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.

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.

Whats 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.

Why Skin is the largest organ?

Picture of the Skin. The skin is the largest organ of the body, with a total area of about 20 square feet. The skin protects us from microbes and the elements, helps regulate body temperature, and permits the sensations of touch, heat, and cold.

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…

Is human skin waterproof?

Body organs aren’t all internal like the brain or the heart. There’s one we wear on the outside. Skin acts as a waterproof, insulating shield, guarding the body against extremes of temperature, damaging sunlight, and harmful chemicals. …

Is skin a organ?

The skin is the largest organ of the body. The skin and its derivatives (hair, nails, sweat and oil glands) make up the integumentary system. One of the main functions of the skin is protection. It protects the body from external factors such as bacteria, chemicals, and temperature.

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.

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 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.

Which is the strongest bone in human body?

The femur bone is the longest and strongest bone in the body. Located in the thigh, it spans the hip and knee joints and helps maintain upright posture by supporting the skeleton.

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.

Who has the longest neck in the world?

The longest human necks are found among the women of the Padaung (or Kayan) tribe, who live in the highlands of northwestern Thailand and southeastern Myanmar. Padaung women bind their necks with heavy brass rings that alter the shape of the neck and shoulders.

What is the weirdest thing about the human body?

The Weirdest Facts About the Human Body That You Had No Idea Were RealThe acid in your stomach can dissolve razor blades. … You produce enough saliva to fill two swimming pools in a lifetime. … Babies have over 300 bones — but adults only have 206. … Your brain can’t feel pain.More items…•