The cartilage rings surrounding the trachea are a semicircular shape so the open part faces the esophagus, allowing it to expand when swallowing food.
Os anéis de cartilagem em torno da traqueia têm uma forma semissimétrica para que a parte aberta fique voltada para o esôfago, permitindo que ele se expanda ao engolir.
| Front | why are the cartilage rings surrounding the trachea a semicircular shape? |
|---|---|
| Back | the open part faces the esophagus and allows it to expand when swallowing food |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Sensitive trachea coughing a causes
Previous card: Trachea collapsing semicircular cartilaginous arches
Up to card list: AP Biology + Alberta Biology 30 Diploma