Failing to repair the cause of the check engine light will cause it to return after resetting it. Tools required: 1  Handheld Scanner. 2  Locate the OBD II port. 3  Look under the dashboard on your Volkswagen Jetta. 4  Bend down and look under the dashboard to better locate the OBD II port on your Volkswagen Jetta.
The nerve cord in an earthworm performs the same task as the nervous system of any animal. The function of the nervous system is to bring sensory information to the brain, where it is processed. Then, the brain sends signals to the body via the nervous system and those signals cause the animal to move.t's function is simple; â¦ it's the nerves in the worm! If dissected, the nerve cord looks like a thin white line on the ventral (belly) side on the inside of the skin.
Earthworm. The earthworms' respiratory system is very different compared to other mammals, but the purpose is the same, get the oxygen and take out the carbon dioxide. Earthworms do not have lungs or gills like other mammals, but instead they breathe by using their moist skin.espiratory System. The respiratory system performs exchange between gases. The molecules of oxygen and carbon dioxide are exchanges, this process changes oxygen to carbon dioxide. Our respiratory system is responsible to clean out the bacteria or dust we breath in.