ここの軟骨が飛び出しています。

here (place physically close to the speaker, place pointed by the speaker while explaining); this place; these last (followed by a duration noun and a past sentence: time period before the present time of the speaker); these next ... (followed by a duration noun and a non past sentence: time period after the present time of the speaker); the next ...

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

cartilage

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to jump out; to rush out; to fly out; to appear (suddenly); to protrude; to project; to butt in