For the body to function normally, the organs and tissues must communicate to control the development of the cells and tissues. if there is a break-down in this communication, uncontrolled cell growth in one part of the body could impede the development of other cells or tissues. this, in turn, can lead to the normal functions of the individual becoming seriously impaired. research has shown that this uncontrolled cell growth and development can lead to which of these diseases? a) aids b) cancer c) hemophilia d) down syndrome