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1)The autonomic nervous system, which regulates major organs
2. The top of the spinal cord, connecting with the brain at the brain stem, begins to thicken.
3- Known as the medulla, has nerves that connect to the face.
4. Many of the body's reflexes make connections through the medulla.
5. Such a basic function as coughing.
6. The medulla also controls other reflexes that are unconscious, an example is the food through the digestive system through peristalsis.
7. Which breaks up food and moves it through the intestines.
8. The vital activities of the body-the beating of the heart and the rhythmic move the lungs are also reliant on the medulla.
