Curious facts about your bones

Why you lose of bones-

You’re born with about 300 but end up with just 206. Many bones, like those your skull, fuse together as you grow.

What makes you grow-

As long as growth plates (at the end of long bones in your arms and legs) you grow to stay open, . The plates close in the late teens for boys and within 2 years of starting periods for girls.

How to keep your bones happy-

Your bones gain in density until you turn 30. Then density declines unless you get enough exercise, calcium and vitamin D. Exercise (even daily walks) maintains healthy bones.
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How broken bones heal-

The damaged surfaces knit together to form new bone. Sometimes the new bone is stronger.

Your skeleton has many jobs-

It moves you.It protects your brain, heart, and lungs. It manufactures blood cells. And it stores and regulates minerals to help your entire system function.
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Your longest and short bones-

Your femur, or thigh bone, is longest. The stirrup-shaped stapes in your middle ear (measuring only 0.11 inches)

Where you have the most bones-

The 54 bones in your hand, fingers wrists allow you to write, use Smartphone and play piano.

Bone is living tissue-

The collagen in bone constantly replenishes itself . So about every 7 years, you have a new skeleton.
Your teeth are part of  your  skeleton too

They contain calcium and minerals like bones . But they lack collagen, which gives bones flexibility and strength.

How women are different-

Men and women’s skeletons look surprisingly alike. But the shape, Size and angle of a woman’s pelvis are specially geared for childbirth.

Some joints don’t move-

Your bones come together at the joints. Some (like your knee joint) move a lot. Others (like the joints in your cranium) don’t move at all.

Why joints start to creak-

Muscles and ligaments support your joints, and cartilage helps to cushion them. When cartilage wears out, arthritis occurs.

About that “Funny Bone”-

It’s not even a bone. It’s your ulnar nerve, which runs inside your elbow. Hitting it triggers a surprisingly tingling, prickly pain.

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