Skeletal System QuizOnline version Test your knowledge about the skeletal system! by Jessica Youssef 1 The ribcage protects the heart and lungs. Yes No 2 The skull protects the brain. Yes No 3 Bones are soft and flexible. Yes No 4 The skeletal system is only found in humans. Yes No 5 The skeletal system helps us move. Yes No 6 There are 100 bones in the human body. Yes No 7 Bones are alive and constantly growing. Yes No 8 Bones provide support and protection for the body. Yes No 9 The ribcage protects the stomach. Yes No 10 The skeletal system is made up of bones. Yes No 11 The spine helps us stand upright. Yes No 12 The skeletal system is not important for movement. Yes No