The membrane which immediately covers the lungs is the visceral pleura.
Mucous on the inside. Like what runs out of your nose when you have a cold.
Alveolar sac and alveoli
Pleura
the thin-walled sacs in the lungs are the alveoli. they are tiny are sacks in your lungs.
alveoli
A membranous sac is, as it says, a sac with a membrane. What it is specifically varies. Bronchi in the lungs are membranous sacs and the amniotic sac on a baby is membranous.
No, pericarditis is inflammation of the sac surrounding the heart. Pneumonitis is inflammation of the lungs.
They are called alveoli.
there are millions of air sacs in your lungs
Alveola sac
In the alveoli (also called air sac) is the capillary-rich sac in the lungs where the exchange of oxygen and carbon dioxide takes place by diffusion. The oxygen poor blood goes from the right ventricle and into the lungs where the co2 is traded for Oxygen in the alveoli and back through the heart and out to the body.
I Think You Thinking Of The Alveoli/Alveoli's
capillaries