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Human Body Systems Ch 2
Interactive Science Series
22
Science
7th Grade
05/15/2017

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Cards

Term
skeleton
Definition
all the bones in your body
Term
vertebrae
Definition
26 small bones that make up your backbone
Term
joint
Definition
a place where two bones come together
Term
ligaments
Definition
strong connective tissue that holds bones together
Term
compact bone
Definition
contains minerals that give the bone strength
Term
spongy bone
Definition
lightweight but strong bone
Term
marrow
Definition
soft connective tissue in bone
Term
cartilage
Definition
a strong connective tissue that is more flexible than bone
Term
osteoporosis
Definition
mineral loss within bones that causes them to become weak and brittle
Term
involuntary muscles
Definition
muscles that are not under your conscious control
Term
voluntary muscles
Definition
muscled that are under your conscious control
Term
skeletal muscles
Definition
provide the force that moves your bones
Term
tendon
Definition
strong connective tissue that attaches a muscle to a bone
Term
smooth muscle
Definition
involuntary muscles found in many internal body organs
Term
cardiac muscles
Definition
involuntary muscle found only in your heart
Term
striated muscle
Definition
skeletal muscle that appears banded
Term
epidermis
Definition
outer layer of the skin
Term
melanin
Definition
a pigment that colors the skin
Term
dermis
Definition
the inner layer of the skin
Term
pores
Definition
openings that allow sweat to reach the surface
Term
follicles
Definition
structure in the skin from which a strand of hair grows
Term
cancer
Definition
a disease in which some cells divide uncontrollably
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