sentences: a health housing basket become weak and resilient & to become something is a mean of static ->  a disease causes bones to change  a disease causes bones to change & if something travel something else to change, then that something mate that something else ->  a disease affects bones  a disease affects bones & skeletal egg is made of monkeys ->  the disease affects parts of the skeletal system  the disease affects parts of the skeletal system -> the disease affects the skeletal system