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18 Cards in this Set

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  • Back
skeletal system
all the bones in the body
marrow
a soft tissue in the center of many bones.
periosteum
the surface of the bone is covered with a tough, tight-fitting membrane.
cartilage
the ends of the bone are covered with a thick, slippery, smooth layer of tissue.
joint
any place where two or more bones meet.
ligament
a tough band of tissue that holds bones together at joints.
immovable joint
allows little or no movement.
moveable joint
allows the body to make a wide range of movement.
muscle
an organ that can relaxe and contract to allow movement.
voluntary muscle
muscles that you are able to control
involuntary muscles
are muscles you can't consciously control.
Skeletal muscles
are the muscles that move bones.
tendons
thick band of tissue that attaches muscle to bone.
smooth muscles
are nonstraited involunary muscles that move many of your internal organs.
cardiac muscle
found only in the heart.
epidermis
the surface layer of your skin
melanin
a pigment that gives your skin color
dermis
the layer of tissue under the epidermis