Interesting Facts about Skeletal System

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Selection by: Ata Iqbal

•   There are 206 bones in an adult human body.
•   A baby is born with 300 bones. But throughout the growth years, many of the bones of the skull and spine fuse together.
•   Bones do not move on their own, they need the help of the muscles attached to the bones.
•   Bones have life. They’re made up of living cells that is why they can grow and repair themselves.
•   The longest bone, about one-quarter of a person’s overall height, is the femur bone. It’s located in the leg.
•   The smallest bone in the body is the stirrup bone, located deep inside the ear. It is just a little larger than a grain of rice.
•   The largest bone in the body is the pelvic bone.
•   Collar bone is the most frequently broken bone in a human body. It is also known as clavicle.
•   Hyoid bone is the only bone that is not connected to any other bone. It is located in the throat of a human’s body.
•   Most bones consist of two types of bone tissues, namely compact hard bones and spongy bone.
•   More than half of the bones in the body are located in the hands and feet together.
•   Humans and giraffes have the same number of bones in their necks. It is just that giraffes have a much longer vertebra.
•   Bones are filled with a substance called bone marrow that is critical for the production of red and white blood cells.
•   There are two types of bone marrow. Red marrow produces blood cells while yellow marrow produces fatty cells.
•   At birth, all bone marrow is red.
•   The ears and the end of the nose don't have bones. These parts of the body are given their shape by cartilage.
•   Cartilage is lighter and flexible than bone, allowing movement and the ability to bend.
•   Cartilage degrades faster than bone that is why many human remains are found without a nose or ears.
•   Cartilage contains no blood vessels or nerve cells.
•   Embryos contain cartilage, not bones.
Have no bones to pick with anyone if you want to keep all the bones of your skeletal system intact.