Laissez Faire

Letting Life Lead

Reblog It #10: Unidirectional airflow in the lungs of birds, crocs…and now monitor lizards!?

I ❤ Biology.

Sauropod Vertebra Picture of the Week

1_MonitorLizard_AnatomyFlow Image courtesy of Emma Schachner.

Gotta say, I did not see that coming.

Today sees the publication of a new paper by Emma Schachner and colleagues in Nature, documenting for the first time that unidirectional, flow-through breathing–previously only known in birds and crocodilians–happens in freakin’ monitor lizards. The image above, which is most of Figure 1, pretty much tells the tale.

Some quick background: until the early 1970s, no-one was quite sure how birds breathed. Everyone knew that birds breathe, and that the air sacs had something to do with it, and that the bird lungs are set up as a series of tubes instead of a big array of little sacs, like ours, but the airflow patterns had not been worked out. Then in a series of nifty experiments, Knut Schmidt-Nielsen and his students and colleagues showed that birds have unidirectional airflow through their lungs on both inspiration…

View original post 2,087 more words

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Email Subscribe and Support

Subscribe to Tara Writes at LaissezFaireLife.com Want to support me? Become a Patreon
pinterest-button Follow LaissezFaireLife on Twitter google feedburner
Follow Laissez Faire on WordPress.com

Get blog updates by Worpdress via email, or choose Mailchimp.

Join 1,433 other followers

Shop With Me!

My Reviews

Shop and Read My Reviews

Aspiring writer, wife, mother of two, owner two cats. Teacher, lover of science, books, science fiction, fantasy, and video games.

Categories

Visit My Fellowship

Continuous Everywhere but Differentiable Nowhere

I have no idea why I picked this blog name, but there's no turning back now

prettyflyforawhitemom

"Our subject isn't cool, but [s]he fakes it anyway."- The Offspring

Blissful Scribbles

Musings through the journey of writing my first novel

ZEN AND PI

It is what it is and it too shall pass.

Unfolding From the Fog

Unfolding From the Fog (or What I Think About When I Walk My Dog)

tibetan lemonade

When life hands you lemons, go find some gin and tonic.

J Edward Benoit

"Smile with your teeth." -my Mother

Sreeblogs

Don't die before your death

%d bloggers like this: