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Science vocab. Chap. Two sec. 1,2,3,and 4

Terms

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skeleton
Type of connective tissue that provides support and protection for your body
marrow
the soft tissue that fills the internal spaces in bone
red marrow
Soft tissue inside the compact bone that produces red blood cells
yellow marrow
the soft tissue inside the compact bone that mainly stores fat. Helps to nourish the bone
spongy bone
Small cavities which contain red marrow
cartilage
connective tissue that is more flexible than bone and gives support to some parts of the body
joint
place where two bones come together
ligament
strong connective tissue that holds the bones together at the movable joint
osteoporosis
a condition in which the body's bones become weak and break easily
fracture
a break in a bone.
sprain
an injury in which the ligaments holding bones together are streched out to far and tear
dislocation
an injury in which a bone comes out of its joint
x-ray
a form of energy that travels in waves that can pass through some living tissues, but not through bone
magnetic resonance imaging (MRI)
a method for taking clear images of both bones and soft tissue in the body
tendon
strong connective tissue that attaces a muscle to a bone
involuntary muscle
a muscle that is kept under conscious control
smooth muscle
Involutary muscle found inside many internal organs in the body
skeletal muscle
a muscle that is attached to the bones of the skeleton
cardiac muscle
muscle tissue found only in the heart
acne
a bacterial infection of the skin in which the oil glands become blocked and swollen
cancer
a disease in which some body cells divide uncontrollably
follicle
structure in the dermis of the skin from which a strand of hair grows
pore
an opening through which sweat reaches the surface of the skin
dermis
lower layer of skin
melanin
a pigment that gives skin its color
epidermis
outermost layer of skin

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