5. Why does a doctor have to realign the bones in a fracture before immobilizing the affected body part in a hard cast? 5.2. Why does a doctor have realign the bones in a fracture before imbolizing the affected body part in a hard cast?

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.