The relative or absolute increase in the frequency of adenocarcinoma of the cervix in the 1980s, coupled with the introduction of the endocervical brush, broom, and other endocervical sampling devices, has stimulated us to examine more carefully and classify more precisely the lesions of the endocervix.
If you do have one of these systems you need to know whether it's a conventional or alternative septic system, and exactly how it works. Gravity System-A conventional system which uses gravity to force the wastewater out into the drain field. 2  These types of septic systems use gravel as a filter. 3  Pressure Distribution System-A conventional system which involves the use of a pump.
The nervous system and the circulatory system work together in that  the brain sends signals to the heart that cause it to pump. The  circulatory system works with the excre â¦ tory system because waste  materials are transported by blood to the organs of the excretory  system. The nervous system works in your body by sending signals to other body systems for example the brain sends a signal to the circulatory system that tells the heart to pum â¦ p blood. 36 people found this useful.