For example, the dinosaurs had weight - bearing pillarlike legs, small heads, and bones peppered
with air sacs.
Not exact matches
It's Good to Have Soapy Lungs The tiny
air -
sacs in your lungs known as alveoli are coated
with a surfactant, a soap - like substance.
The
sacs might evolve to be separate from the lungs and filled
with a gas less dense than
air, such as methane — a byproduct of, ahem, flatulence, to which a dragon might be prone.
The right nasal passage continues from the museau to create a layer of
air that stretches underneath the spermaceti organ and joins
with a
sac that covers the face of the skull before regaining its tubular shape and heading for the lungs.
De Boer found that
air sacs also interfered
with the workings of the vocal cords, making consonants trickier.
«Their skeletons were exceedingly light — their bones were very thin and hollow, and those hollows were filled
with an
air -
sac system.
This it accomplishes
with its mosaic of specialized cells that form millions of tiny, exceptionally thin - walled
air sacs where gas exchange takes place.
In the second study in Science, researchers from Harvard University in Boston, Massachusetts, created a chip 1 to 2 centimeters long in which a 1 millimeter - wide channel, coated
with human lung cells on the inside and overlaid
with human blood capillaries on the outside, mimicked the
air sacs, or alveoli, of the lungs.
Punctuating their displays
with swishing, hooting and popping sounds, males bob their heads, fan their tail feathers, raise their wings, and expand and contract distinctive yellow
air sacs to compete for females» favor.
Patients
with COPD have airflow obstruction that is caused either by destruction of the
air sacs that exchange gas in the lungs (emphysema) and / or inflammation of the airways (chronic bronchitis).
But when these invaders pass through to one or both lungs (often after you've had a cold or the flu), or if your immune system is too weak to defend against an infectious assault, tiny
air sacs in your lungs, called alveoli, become inflamed and fill
with fluid or pus.
A sigh stretches out the alveoli (
air sacs) within the lungs, providing a needed reset — and you
with a sense of relief.
By holding your breath, you are giving it ample time to travel deep into your bronchial tubes and replace the stale
air trapped inside the millions of
air sacs in your lungs
with new, fresh oxygen.
They can occur as a single cyst or multiple cysts, and are small
sacs filled
with fluid,
air, or organic debris that can cause pain and discomfort.
The animal presents
with a high fever and may have trouble breathing as blood from the capillaries in the lungs fills the
air sacs.
I have seen lungs /
air sacs of chams owned by heavy smokers
with black spots all over.
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