Quick Answer: What Is The 2nd Largest Organ In The Body?

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.

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What is the weirdest body part?

#2-Strange names for body partsiris—colored part of the eye.pinna—visible part of the ear.canthus—corners on either side of the eye, right where the upper and lower lids come together.glabella—flat area just above the nose, in between the eyebrows.naris—nostril (plural = nares).More items…

What are the 2 most important organs?

While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body.

Which is the biggest organ in human body?

The skin is the body’s largest organ.

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…

What’s the smallest organ in your 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.

What is a perfect body?

Essentially, the male ideal is an inverted pyramid with broad shoulders and small waist, while the female ideal is an hourglass with a small waist-to-hip ratio. … Men “also exaggerated their upper body shape…relative to the ideal set by women,” said Tovée.

Which body part is most important?

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 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.

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 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.

What’s the cleanest thing on your body?

The cleanest part of the human body is often considered to be the eye because of its abilities to clean itself. … The eye also protects itself through the production of tears. … The eyelids also have good reflex control so they are able to help prevent damage to the eye.

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 weighs more heart or brain?

The brain of an average adult human weighs 1300 to 1400 grams. The heart weighs 300 grams.

What animal has longest tongue?

Giant anteatersThe giant anteater has the longest tongue in relation to its body size of any animal. It is about two feet long. Giant anteaters are nearsighted and slow-footed.

Which body part is only 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 are the top 10 body organs?

Top 10: What are the heaviest organs in the human body?Liver. Liver © iStock. … Brain. Brain © iStock. Average weight: 1,500g. … Lungs. Lung © iStock. Average weight: 1,300g. … Heart. Heart © iStock. Average weight: 300g. … Kidneys. Kidneys © iStock. Average weight: 260g (pair) … Spleen. Spleen © iStock. Average weight: 175g. … Pancreas. Pancreas © iStock. Average weight: 70g. … Thyroid.More items…

What organs do humans not need?

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.

Which is the strongest bone in the human body?

femur boneThe 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.