The brain controls involuntary functions like breathing and heartbeat from "summary" of Human Brain Coloring Workbook by Kapil Gupta
The brain plays a crucial role in controlling various functions of the body, including those that are involuntary. These functions are essential for our survival and well-being, such as breathing and heartbeat. The brainstem, located at the base of the brain, is responsible for regulating these involuntary functions. It contains several important structures that help control processes like respiration and circulation. One key structure in the brainstem is the medulla oblongata, which serves as a control center for breathing. It monitors the levels of oxygen and carbon dioxide in the blood and adjusts our breathing rate accordingly. Another vital structure in the brainstem is the cardiac center, which regulates the heartbeat. It receives signals from the body about blood pressure and adjusts the heart rate to maintain proper circulation. These functions are carried out automatically, without us having to consciously think about them. This is because the brainstem processes the information it receives and sends out the appropriate signals to the muscles involved in breathing and heart function. In this way, the brain ensures that these essential processes continue to operate smoothly, allowing us to focus on other activities without having to worry about breathing or heartbeat. It is remarkable how the brain seamlessly coordinates these involuntary functions to keep us alive and healthy.
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