<em>The function of the excretory system is </em><em>to remove waste from the body, or any unnecessary materials not kept by storage functions. It is important because it helps maintain homeostasis within organisms</em>
<em>Organs that this system includes are </em><em>the skin, the kidneys, the large intestines, the liver, and the lungs.</em>
Depending on the person, many different things could work like meditation, talking to friends, maybe having some tea, taking a shower, going for a drive, having some comfort food, and so many other things that allow you to release endorphins and relax your brain. : D
Maybe you can write a letter about how you feel and then just burn it, it might help you, i constantly do that
