Apex
The snake's lung which is responsible for their breathing is called the "Vestigial lung."
The top pointed tip of the lung is the apex, while the pointed tip on the bottom of the left lung is called the lingula.
The uppermost part of the lung is the lung apex. Apical means pertaining to the apex.
an island
Base of the lung
This is because it is a narrow boat
This is the TOP of the lung (part toward the head).
A long narrow cut is called a slit.
Some small narrow boats are called canoes, others are called kayaks.
The narrow ridge of the bone is called a crest. Another narrow ridge is called a line, and it is not as prominent as the crest.
Heart-lung machine
They are present in the lung surrounding the alveoli.