ROGER HARRIS / SCIENCE PHOTO LIBRARY ROGER HARRIS / SCIENCE PHOTO LIBRARY
Medulla oblongata in the brain. Computer artwork of a person's head showing the left hemisphere of the brain inside. The highlighted area shows the medulla oblongata. The medulla oblongata, or simply medulla, is the lower half of the brainstem, which connects the brain to the spinal cord. It controls the cardiac, respiratory, vomiting and vasomotor centres and deals with autonomic functions, such as reflexes, breathing, heart rate and blood pressure.
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