Which Body Part Is Only On Humans?

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..

How many body parts does a human have?

Although no one knows where the number originates, the general count is 78 organs, she said. This list includes the vital organs: the tongue, stomach, thyroid, urethra, pancreas, plus many other single or pairs of organs. Bones and teeth are each counted only once.

What body part is boneless?

There are many more boneless parts of the body: the stomach, the small bowel, the large bowel, the esophagus, the spleen, the liver, the kidneys, the bladder, the brain, all blood vessels (both veins and arteries), the heart, the lymph glands and lymphatic vessels, the eyes, the nerves, the spinal cord and all of the …

What’s 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.

Can we move without bones?

Bones help give your body shape. All your bones together are called your skeleton. When we talk about the way your bones work together it is called your skeletal system. Without your skeleton, you could not stand or even move.

Which body part has no muscles?

Some human body parts have become useless over the past few million years. Useless body parts include the appendix, the tail bone, and the muscle fibers that produce goose bumps.

Which part of body has most bones?

The hands and feet contain over half of the body’s bones. Coming out on top are your hands and feet. Each hand has 27 bones, and each foot has 26, which means that together the body’s two hands and two feet have 106 bones. That is, the hands and feet contain more than half of the bones in your entire body.

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’s the heaviest part of your body?

Top 10: What are the heaviest organs in the human body?Skin. Skin © iStock. Average weight: 4,535g. … Liver. Liver © iStock. Average weight: 1,560g. … 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. … Pancreas. Pancreas © iStock.More items…

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…