From intense exercise like weight training and cardio, to simple daily tasks like standing, talking and brushing your teeth. In addition, your body actually burns a significant number of calories each day on its own just keeping you alive and functioning properly. You know, doing stuff like breathing, pumping blood, digesting food, etc.
THe immune system is held responsible for protecting against infection and diseases in the body
Answer: Red blood cell!
Explanation: Carries oxygen from the luungs to all body parts! hope that helped
Sorry I don’t understand it.