Because one decaing factor of a cell can cause the cell to breakdown and not work.
Tendons :may also attach muscles to structures such as the eyeball. A tendon serves to move the bone or structure. A ligament: is a fibrous connective tissue which attaches bone to bone, and usually serves to hold structures together and keep them stable.
I think the correct answer would be the left atrium. Mitral valve stenosis is the narrowing of the mitral valve in the heart. This valve does not properly open which blocks the flow of blood into the left atrium. Hope this answers the question.
