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About the Human Skeleton

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How much do you know about the bones in your body?

The human skeleton is composed of 206 bones
Skeletal bones are supported by ligaments, tendons, muscles, fascias and cartilage.
The body is also composed of 2 bones sésamoïdes but are not part of the human skeleton by definition.

The skeleton evolves/moves with the age according to the development of the osseous structure.
The fetus does not have a solid skeleton yet, this will be formed gradually during the nine months of gestation.
With the birth, a baby has more bone than it will not have any at the adulthood (approximately 270). The difference comes from later fusion of small bones on the cranium, the spinal column and the basin.

The role of the skeleton is double. It constitutes at the same time the frame of the body, on which the muscles and other structures will be able to be fixed and it also provides a function of protection for certain organs, like those located in the rib cage (heart, lungs%u2026) or the brain, protected by the cranium.

The weight of the "dry" skeleton, i.e. without red marrow, is from 4 to 6 kilograms on average for the man and from 3 to 4 kilograms for the woman The longest bone of the body is the femur; smallest is the clamp which is located in the middle ear.

The majority of the body is outside the skeleton except for the brain which is inside the skeleton.

The skeleton belongs to the locomotion system.

Human Anatomy Coloring Book

Bones: Our Skeletal System

Skeleton Anatomy Model

Human Skeleton Facts

Skeletal System Anatomical Chart Laminated

Learn all about bones with this easy-to-assemble skeleton puzzle. It sits on a display stand for clear viewing. Each bone can be assembled separately to learn the bone names individually. Includes facts and assembly instructions.

Learning Resources Human Skeleton Anatomy Model

Amazon Price: $14.38 (as of 02/16/2012)

* Human Skeleton Facts
* Each bone assembled separately to learn the bone names individually
* Includes 41-Piece plastic model, display stand and guide with skeleton facts

Hi, glad to meet you

The smallest bone of the human body is found in the ear, called the stirrup. It is not larger than a single grain of rice.

cc licensed flickr photo shared by walid.hassanein

The Human Body: Skeletal System

The longest bone of the body is the femur bone or the thigh bone

Human Skeletal & Muscular Anatomy from 1922 by chartsanddiagrams

View other Anatomy Posters

The Human Body: Skeletal System (2nd Ed., Rev.) (clip): by phoenixfilmandvideo | video info

70 ratings | 162,712 views

curated content from YouTube

Learn About The Human Body

The ilium and spine protect the digestive and urogenital systems and the hip.

Fused bones include those of the pelvis and the cranium

The human skeleton consists of both fused and individual bones supported and supplemented by ligaments, tendons, muscles and cartilage. It serves as a scaffold which supports organs, anchors muscles, and protects organs such as the brain, lungs and heart.

The biggest bone in the body is the femur in the thigh and the smallest is the stapes bone in the middle ear. In an adult, the skeleton comprises around 30-40% of the total body weight, and half of this weight is water.

Fused bones include those of the pelvis and the cranium. Not all bones are interconnected directly: there are three bones in each middle ear called the ossicles that articulate only with each other. The hyoid bone, which is located in the neck and serves as the point of attachment for the tongue, does not articulate with any other bones in the body, being supported by muscles and ligaments.

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Skeletal Links

The pelvis is made up of six bones that are joined to each other firmly

Skeletal System Laminate Reference Chart (Quickstudy: Academic) [Misc. Supplies]

cc licensed flickr photo shared by Bernhard Ungerer

Space Bones: NASA science news about preventing the steady loss of bone mass that astronauts encounter. Includes audio and a downloadable file of the article.
Kidport 5th Grade Science: The Human Arm Bones: A clickable quiz of the human arm bones.
The Skeletal System: A 14-question interactive quiz.
Printable Blank Outline Diagram of the Human Skeleton: Blank diagram of the human skeletal system with answers at the bottom of the page.
The Online Skeleton: Features a PDF download of the human skeleton, with close-ups of each part, and an explanation of the way they are connected.
Skeletal System: Real photographs of the human skeletal system, including a quiz.

Quick Facts

There are 27 bones in the human hand and 14 bones make up your face.

When you were born, you had over 300 bones. When you're an adult, you have about 206. What happened? Did they fall off or something?

The average human adult skeleton
consists of 206 bones, attached to the muscles by tendons. Babies are born with 270 soft bones - about 64 more than an adult. These will fuse together by the age of twenty or twenty-five into the 206 hard, permanent bones

Most of your joints are free-moving joints called synovial joints. These allow you to bend, and jump, and stretch

There are 26 bones in each of your feet, exactly the same number as in your hands.

The parts of an adult skeleton that have fused into one bone include the skull and the pelvis (see the skull). The pelvis came from fusing the ilium bones, the ischium bones and the pubis. The ischium is the bone that you sit down on.

Bones: Our Skeletal System

Anatomical Charts

The number of bones in your neck and the number of bones in a giraffe's neck is the same!

Anatomical charts are often sold in laminated form. Others may be made of durable plastic or even just paper. They are available in a full range of sizes, often depending on their intended use. Many charts are designed with white backgrounds to make pictures and text easy to view. Many feature print in bold black and red ink. Some anatomical charts are designed to be written on and wiped off with little difficulty or effort. Chart stands and displays are also sold to keep charts at the ready.

Learn About the Respiratory System

Inflatable Parts of a Skeleton

Learning Resources - Inflatable Parts of a Skeleton

Amazon Price: $11.99 (as of 02/16/2012)

* Life-size Inflatable Skeleton lets kids explore the human body through hands-on play.
* Features 15 major bones that connect and pull apart with snap fasteners.
* Includes hang tag and string for easy display and spaces for labeling on the reverse side if desired.
* Also comes with a repair kit and Activity Guide.
* Measures 4'H when assembled.

Axial skeleton and the Appendicular

Skeleton anatomy diagram - BBC

Skeletal System - Interactive Tutorials & Quizzes | Anatomy and ...

Skeletal System

Human Skeleton Printout - EnchantedLearning.com

Skeletal System - Human Anatomy

The human skeleton

The skeleton has two main parts - the axial skeleton and the appendicular skeleton. The axial skeleton is the 80 bones of the upper body. It includes the skull, the vertebrae of the backbone, the ribs and the breastbone. The arm and shoulder bones are suspended from it. The appendicular skeleton is the other 126 bones -the arm and shoulder bones, and the leg and hip bones. It includes the femur (thigh bone), the body's longest bone.

appendicular skeleton diagram

axial skeleton diagram

Muscular System Anatomical Chart

Muscular System Anatomical Chart Laminated

Pages About other human systems

cc licensed flickr photo shared by Karen Roe

Excellent Resources

Eyewitness Skeleton

Rich with photos and information, a treasure trove of info!

Skeleton (DK Eyewitness Books) [Hardcover]

Eyewitness Skeleton brings its complexity and ingenuity of design vividly to life. Starting with the human skeleton, it explains how each set of bones functions. It examines in detail the construction of the skull, spine and rib cage, hands, arms, legs, and feet. Comparisons are drawn with the bones of birds, reptiles, amphibians, fish, insects, and mammals. See the 206 different bones in the human body, how your skull differs from a lion's or a chimp's, how teeth grow, and what each one is for, and what the inside of a bone looks like. Learn how bones mend themselves when they break, why half the bones in your body are in your hands and feet, how many toes a horse has and what has happened to the tail you once had. Discover which are the smallest bones in the human body, why some creatures wear their skeletons on the outside and what animal once owned the oldest bones ever found on Earth.

Skeleton (DK Eyewitness Books)

by: Steve Parker

Amazon Price: $8.79 (as of 02/16/2012)

I would have loved having books like these when I was a kid. I currently have this book on my coffeetable. I like looking at the photos and illustrations and reading the information.