why our hands shiver when we are scared ?
here is introduction to artical Shivering when you are scared is a physiological response that is part of the body's fight-or-flight reaction to stress or fear. When you perceive a threat or experience fear, your body goes through a series of automatic responses to prepare you to either confront the threat or flee from it. Shivering can be one of these responses, and it serves several purposes: here is more content on this artical Increased muscle tension: Shivering is essentially rapid muscle contractions and relaxation. This helps to increase muscle tension, making you more alert and ready for action. Increased blood flow: Shivering can increase blood flow to your muscles, which can provide more oxygen and nutrients to those muscles, helping to prepare them for physical activity. Thermoregulation: Shivering also generates heat. When you're scared or stressed, your body may perceive it as a need to generate additional warmth in case you need to take physical...