0 Morty Asked: May 23, 2019In: BiologyWhy do our hearts beat faster when we’re nervous?0Why does our body need more blood more quickly when we are feeling nervousness?In: Biology ShareFacebook 2 AnswersVoted rgarjr Added an answer on May 24, 2019 at 12:48 am It has to do with fight or flight respond. Basically your body gets itself ready to respond. So your heat beat increases to have your muscles ready and fueled with energy.0Reply Share ShareShare on FacebookShare on TwitterShare on LinkedInShare on WhatsApp Radiskull97 Added an answer on May 23, 2019 at 5:09 pm Back when evolution was designing our bodies, the main thing we were nervous about was being eaten. The faster heart beat meant more oxygenated blood, which is better for flight or fight situations but not so much when it comes to taking a test0Reply Share ShareShare on FacebookShare on TwitterShare on LinkedInShare on WhatsAppLeave an answerLeave an answerCancel reply Attachment Select file Browse Featured image Select file Browse What is the capital of UK? ( London )Save my name, email, and website in this browser for the next time I comment.