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 Bones are alive and constantly growing. Yes No 3 There are 100 bones in the human body. Yes No 4 The ribcage protects the stomach. Yes No 5 The skeletal system is made up of bones. Yes No 6 The skeletal system is only found in humans. Yes No 7 The skeletal system is not important for movement. Yes No 8 The skeletal system helps us move. Yes No 9 Bones provide support and protection for the body. Yes No 10 The spine helps us stand upright. Yes No 11 Bones are soft and flexible. Yes No 12 The skull protects the brain. Yes No