7th Grade Skeletal System

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The skeletal system is divided into two different parts, the _______ and the _______ .

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How are the axial and appendicular systems similar?

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How are the axial and appendicular systems different?

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Label the parts of the skeleton

How does the spongy bone differ from the compact bone?

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What do osteoblasts do?

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Osteoblasts start out as _______ during fetal development. 

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How are osteoblasts different from osteoclasts?

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A cracked bone is a _______ fracture.

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What is the difference between a simple fracture and a compound fracture?

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Which do you think would be easier to treat, a displaced fracture or non-displaced fracture? Why?

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After a bone is fractured, a _______  begins to form at the break.

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After the blood clot forms, _______ forms in place of the blood clot.

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The cartilage contains _______ , which surround the fracture. They are responsible for building bone tissue.

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The _______ remove spongy bone while _______ produce the new bone.

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_______ ,_______ ,_______ of the bone and _______ of the break are factors that can affect how much _______  it takes a broken bone to heal.

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What are joints?

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The bones of joints are held together by _______ .

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Match the description and type of joint with the correct image.

Other Answer Choices:

The joint is immobile

Ball and Socket

Gives the widest range of motion, allow person to swing limbs in several directions

Allows side to side and back and forth movements

Gliding

Allows person to twist the limb

Hinge

Allows for back and forth motion in a single direction

Pivot

Sutures

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_______ is the most common form of arthritis. It involves the wearing away of the cartilage that protects the bones in  joints.

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_______ arthritis is a disease where in which the immune system attacks the joints, beginning with the lining of the joints.

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The three functions of the skeletal system are to _______ , _______  and _______ .

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What are the differences between the bones of the axial and appendicular skeletons?

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How is new bone formed?

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