1) The skeletal system supports your body. a) True b) False 2) The skull protects your heart. a) True b) False 3) The rib cage protects your heart and lungs. a) True b) False 4) The pelvis protects the abdominal organs and supports the spine. a) True b) False 5) There are 204 bones in your body. a) True b) False 6) Bones are made of living cells. a) True b) False 7) Bone marrow makes new blood cells. a) True b) False

Leaderboard

Visual style

Options

Switch template

Continue editing: ?