erevel2993 erevel2993 04-06-2021 Health contestada ill mark you brainly 1. What is the Skeletal system? 2. What does the Skeletal system do? 3. Name 3 different muscles in the upper body 4. Name 3 different muscles in the lower body 5.What is the name of the biggest bone in the human body? 6. Regular physical activity keeps your bones healthy True or False? pls dont send links it really doesn't help