Two thin membranes surround the lungs. what are these membranes known as?
singleAnswer
visceral pleura and parietal pleura pleura Pulmonary pleurae
Serous membrane Pulmonary pleurae
Two thin membranes surround the lungs. what are these membranes known as?
Serous membrane Pleural cavity Pulmonary pleurae Fetal membranes Meninges Pulmonary alveolus Gas exchange Respiratory tract Fascia Blood–brain barrier
<b>Called</b> the pericardium, <b>this</b> serous <b>membrane</b> is a <b>two</b>-layered sac that 
<b>surrounds</b> the entire heart except where blood vessels emerge on the heart&#39;s 
superior side;&nbsp;... The pleural cavity also <b>known as</b> the pleural space, is the <b>thin</b> fluid-filled space 
between the <b>two</b> pulmonary pleurae of each <b>lung</b>. A pleura is a serous 
<b>membrane</b>&nbsp;... The pulmonary pleurae (sing. pleura) are the <b>two</b> layers of the invaginated sac 
<b>surrounding</b> each <b>lung</b> and attaching to the thoracic cavity. The visceral pleura is 
the delicate <b>membrane</b> that covers the surface of each <b>lung</b>, ... Each <b>lung</b> is 
covered by a <b>double membrane</b>, <b>called</b> the pleurae; each <b>membrane</b> is a pleura 
– the&nbsp;... The fetal <b>membranes</b> are <b>membranes</b> associated with the developing fetus. The 
<b>two</b> chorioamniotic <b>membranes</b> are the amnion and the chorion, which make up 
the amniotic sac that <b>surrounds</b> and protects the fetus. ... The fetal <b>membrane</b> is 
composed of a thick cellular chorion covering a <b>thin</b> amnion composed of dense
&nbsp;... The meninges (/məˈnɪndʒiːz/, singular: meninx (/ˈmiːnɪŋks/ or /ˈmɛnɪŋks
/), from ... The dura mater is a sac that envelops the arachnoid mater and 
<b>surrounds</b> ... <b>This thin</b>, transparent <b>membrane</b> is composed of fibrous tissue and, 
like the ... In particular, in the region of the brain a large number of fine filaments 
<b>called</b>&nbsp;... A pulmonary alveolus is a hollow cup-shaped cavity found in the <b>lung</b> 
parenchyma where gas exchange takes place. <b>Lung</b> alveoli are found in the acini 
at the beginning of the respiratory zone. <b>They</b> are located sparsely on the 
respiratory bronchioles, line the walls of the ... The epithelial lining is part of the 
alveolar <b>membrane</b>, also <b>known as</b> the&nbsp;... Gas exchange is the physical process by which gases move passively by 
diffusion across a ... In comparison to <b>this</b> small volume, the surface area of its 
cell <b>membrane</b> is ... <b>2</b>). <b>This</b> is the situation seen in the gills of fish and many other 
aquatic ... air-filled sacs <b>called</b> alveoli, where a very <b>thin membrane</b> (<b>called</b> the 
blood-air&nbsp;... In humans, the respiratory tract is the part of the anatomy of the respiratory 
system involved with ... <b>These</b> bronchioles give rise to the air sacs in the <b>lungs</b> 
<b>called</b> the alveoli. The <b>lungs</b> are the largest organs in the ... The pleurae are <b>two</b> 
<b>thin membranes</b>, one cell layer thick, which <b>surround the lungs</b>. The inner (
visceral pleura)&nbsp;... Each of the organs is covered in a <b>double</b> layer of fascia; <b>these</b> layers are 
separated by a <b>thin</b> serous <b>membrane</b>. The outermost wall of the organ is <b>known</b> 
<b>as</b>&nbsp;... The blood–brain barrier (BBB) is a highly selective semipermeable border of 
endothelial cells ... of hydrophobic molecules (O<b>2</b>, CO<b>2</b>, hormones) and small 
polar molecules. ... that <b>surround</b> the brain and spinal cord (<b>these membranes</b> 
are <b>known as</b> ... Blood–air barrier – <b>Membrane</b> separating alveolar air from blood 
in <b>lung</b>&nbsp;...
pleura
Serous membrane