These flat bones basically serve the purpose of protecting our brain, our internal organ. Now, other examples of flat bones is the ribcage, as well as our sternum. And this acts not only as attachment points for muscles, but they also basically act to protect the heart, the lungs, as well as the vascular tissue found in this region here. Now, other examples of our flat bones is our scapula. So this is the shoulder blade bone, this bone and this bone here, as well as the pelvis, which is the bone of the hip. These are examples of flat bone.