 special molecules carry messages from the rest of the cell to the organelle that controls the cell & the system testes windows reply from a whole of an quartz to the memory that sugars that whole of the juice -> special molecules in cells and the endocrine system both carry messages through parts of an organism to the structure that controls that part of the organism special molecules in cells and the endocrine system both carry messages through parts of an organism to the structure that controls that part of the organism