0 a thin membrane covering each lung that folds back to make a lining for the chest cavity:
The pleura protects your lungs and helps them slide back and forth as they expand and contract during breathing.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
NEW WORDS
European
May 10, 2021
WORD OF THE DAY
Shimmer
pleura