Look at a picture of a skull in profile. You'll see that there is half a nose, not no nose. That half of the nose that you can see is the bony part. The missing

Look at a picture of a skull in profile. You'll see that there is half a nose, not no nose. That half of the nose that you can see is the bony part. The missing half is the cartilaginous part. Why is there a hole? Because your nasal canal extends inside your skull to connect with the back of your throat. I guess I don't fully understand the question there.