What Bone Am I? An Amazing Fact a Day Amazing Fact Your hyoid bone in your throat is the only bone in your body that is not attached to any other. Challenge What Bone Am I? There are twelve pairs of this type of bone. They form a cage to protect the heart and lungs. I am the . This bone protects the brain from getting damaged. I am the . This bone is large and is a frame protecting the kidneys. The bones in the legs are also attached to this bone. I am the . I am made up of lots of smaller bones. I help you to pick things up. I am the . I am the largest bone in the body. I am in the leg. I am the . femur ribs craniumphalangespelvis You could also try to find out: • where the hyoid bone is exactly; • what function the hyoid has in the body; • why the number of bones in our bodies changes as we get older. An Amazing Fact a Day What Bone Am I? Answers There are twelve pairs of this type of bone. They form a cage to protect the heart and lungs. I am the ribs. This bone protects the brain from getting damaged. I am the cranium. This bone is large and is a frame protecting the kidneys. The bones in the legs are also attached to this bone. I am the pelvis. I am made up of lots of smaller bones. I help you to pick things up. I am the phalanges. I am the largest bone in the body. I am in the leg. I am the femur.