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Science chapter 9 sec 2 vocab
vocabulary words
13
General Vocab
7th Grade
11/12/2009

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Term
skeletal system
Definition
bones,cartilage and the structures that connect bones to cartilage
Term
osteoblasts
Definition
connective tissue and minerals that are deposited by living cells
Term
compact bone
Definition
the bone tissue that does not have any visible open spaces
Term
spongy bone
Definition
bone tissue that has many open spaces
Term
red marrow
Definition
makes red and white blood cells
Term
yellow marrow
Definition
stores fat
Term
cartilage
Definition
a flexible tissue
Term
joint
Definition
the place where two or more bones connect
Term
ligament
Definition
strong bands of connective tissue that keeps joints together
Term
lever
Definition
a rigid bar that pivots one point
Term
fulcrum
Definition
a lever's fixed point
Term
input force
Definition
any force applied to a lever
Term
load
Definition
a force that resists the motion of a lever
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