Since we’re being picky here, let’s push that limit.
The cardiovascular centre, located in the medulla oblongata, is responsible for the regulation of the heart rate. It is influenced by the nervous and endocrine systems. While the heart beats normally without its (name removed by moderator)ut, under stress, physical or psychological, the cardiovascular centre affects the rate at which the heart beats.Through the vagus nerve, it causes the rate to increase when we breathe in and decrease when we exhale. When we exercise, we build up lactic acid and the consequent change in pH is detected by central chemoreceptors and also peripheral chemoreceptors in the aortic and carotid arteries, where changes in blood pressure are also detected. Some of the nerves that connect the cardiovascular centre the cardiac pacemaker, are part of the sympathetic nervous system, and cause the heart to beat faster and with a greater stroke volume. The vagus nerve, part of the parasympathetic system, causes it to beat slower and less strong. The hormones, epinephrine and norepinephrine, produced in the adrenal glands and various neurons, act throughout the body, including the cardiovascular centre, causing it to increase the rate of its messages resulting in a faster rate and higher blood pressure.The cardiovascular centre ensures that bodily tissues receive a sufficient amount of blood.