Osteoporosis is a disease that affects the a. bones c. cells b. ligaments d. intestines

Osteoporosis is a disease that affects the "bones" or option A. Thing's such of bone disease, fracturs, broken bones, all are related too osteoporosis. Osteoporosis is a medical condition in which the bones become brittle and fragile from loss of tissue. A way to avoid osteoporosis is bye drinking milk which strengthens your bones and avoids weakening the marrow of the  bone and fracturs.

Hope this helps!

Awoman who refuses to obey the law and continues driving to work everyday.