Question:
A sinus is a: 1) depression in a bone 2) canal or channel
Last updated: 8/7/2022
![A sinus is a: 1) depression in a bone 2) canal or channel](https://media.kunduz.com/media/sug-question/raw/81319143-1659886152.3271742.jpeg?h=512)
A sinus is a: 1) depression in a bone 2) canal or channel in bone 3) cavity within a bone, usually filled with air 4) hole in a bone where nerve and blood vessels travel through 5) large bump or process of a bone where muscle attach