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pettebone
skeletal system
13
Science
7th Grade
01/18/2010

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Term
cartilage
Definition
a flexible tissue that gives support and protection but isn't rigid like a bone.
Term
compact bone
Definition
a type of bone tissue that doesn't have open spaces.
Term
spongy bone
Definition
a type of bone tissue that has many open spaces and contains marrow.
Term
marrow
Definition
center of the bone, makes red and white blood cells
Term
ligament
Definition
a strong band of tissue that connects bone to bone.
Term
tendon
Definition
a tough connective tissue that connects skeletal muscle to bones.
Term
what are 4 jobs of the system?
Definition
a. protection
b. storage
c.movement
d. blood cell formation
Term
what are 4 types of joints an give example.
Definition
A. Sliding EX. hand
B. Ball-and- Socket EX. shoulder
C. Hinge Ex. knee
D. Pivot EX.
Term
hinge joint
Definition
Can move only in one plane, knees - elbows
Term
immovable joint
Definition
Doesn't move - skull
Term
sliding joint
Definition
moves in many directions. wrists and ankles
Term
Ball and socket
Definition
can move 360 degrees. Shoulder and pelvis
Term
Skeletal system
Definition
red blood cell formation, storage of minerals (calcium), movement and support
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