You've been chosen to present a speech at the upcoming school assembly. you're very nervous as this is your first time alone on stage. which is the best strategy to reduce the stress?

Answer in a couple of paragraphs, 1 or 2 at the most if anything! 20 points + brainliest--> explain what all the systems in your body do to work together < --list of systems needed: circulatory systemrespiratory systemdigestive systemexcretory systemnervous system