a body system that contains bones as well as other structures that connect and protect the bones and that support other fuctions in the body.
a stong, flexible tissue that covers the ends of the bones.
membrane that surrounds the bone.
where two or more bones meet.
tissue that connects bones to other bones.
disease where joints become irritated ore inflammed, such as when cartilage in joints is damaged or wears away.
bone disease that causes bones to weaken or become brittle.
strong body tissue that contracts in an orderly way.
type of muscle that attaches to bones.
muscle that you can conciously control.
muscle found only in the heart.
muscle you can not conciously control.
involuntary muscle named for its smooth appearance.
the b ody system that includes all the external coverings of the body,including the skin nails, and hair.
the outermost layer of the skin and the only layer in direct contact with the outside enviorment.
pigment that protects the body by absorbing some of the sun's damaging ultraviolent rays.
thick layer of skin the gives skin strength, nourishment and flexibility.
injury where blood vessels in the skin are broken, but the skin is not cut or opened.