Which type of arthritis results in a break down of cartilage around the joints, leaving bone to rub against bone?

rheumatoid

osteoarthritis

juvenile

diabetic

It would be osteoarthritis hope this helps :))

What are the options?

Air goes past the epiglottis and into the trachea when you breathe in. from there, it goes to your vocal cords in the larynx until it reaches the bronchi. from the bronchi, air passes into each lung.