We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament model. Your skeletal muscles are constructed like a rope made of bundles of protein fibers, and that the smallest strands are your actin and myosin myofilaments. Its their use of calcium and ATP that causes the binding and unbinding that makes sarcomeres contract and relax.

Table of Contents
Smooth, Cardiac, and Skeletal Muscles Create Movement 1:18
Sliding Filament Model 4:52
Skeletal Muscles Are Made of Bundles of Protein Fibers 2:40
Actin and Myosin Myofilaments 3:54
Calcium and ATP Cause the Binding and Unbinding 5:05

***

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***SUBBABLE MESSAGES***

TO: SEM students
FROM: Mrs. S

You are confident and courageous! I believe in you! DFTBA!

--

TO: Zachary
FROM: She who gave you life!

You, like the Mongols, will always be the exception.

***SUPPORTER THANK YOU!***

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Daniel Calveti, Marcos Brunet , Ingrid Rosario, Nimsy Lopez, Julissa, René González, Yashira Guidini, Funky y Jacobo Ramos. Unidos en una gran noche de adoración en Puerto Rico.

Se realizó el 7 de enero de 2018 en el Coliseo de Puerto Rico, José Miguel Agrelot.

Tema del álbum en vivo desde Puerto Rico "Vivo Para Ti" publicado en 2005.

video musical

Tekton es un canal de youtube católico nacido en Barcelona (España), puedes encontrar noticias relacionadas con la Iglesia Católica, y recursos de otro tipo como formación católica, oraciones, música católica, vídeos del Papa Francisco, curiosidades, vidas de Santos, el Evangelio del día, y otras muchas cosas más. No dudes en entrar y ver el contenido que sin duda te gustará

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Hacer un donativo: https://www.tekton.info/hacer-caridad/

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#Tekton
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Caravelli E Sua Orquestra ‎– Zingara
Genre:
Latin, Pop, Folk, World, & Country, Stage & Screen
Style:
Easy Listening, Chanson
Year:
1969

Here are our top five mating fights! From ibexes to elephant seals, watch as these species do battle to find a mate.
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Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

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There's a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers.

SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt

DEEP LOOK: a new ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

* NEW VIDEOS EVERY OTHER TUESDAY! *

---+ How does sand form?

Sand can be anything that has been worn down until it’s reduced to some tiny, essential fragment of what it once was: a granite pebble from the mountains; coral from the sea; obsidian from a volcano; even skeletons of microscopic sea animals. It's also a technical term. Bigger than sand, that’s gravel, smaller? Silt.

By studying the composition and texture of sand, geologists can reconstruct its incredible life history. “There’s just a ton of information out there, and all of it is in the sand,” said Mary McGann, a geologist at the United States Geological Survey in Menlo Park, CA.

McGann recently took part in a comprehensive research project mapping sand’s journey into and throughout San Francisco Bay.

Patrick Barnard, another USGS geologist who helped oversee the project, said that it will help scientists understand how local beaches are changing over time. In particular, Barnard wants to understand why beaches just south of San Francisco Bay are among the most rapidly eroding beaches in the state.

From 2010-2012, Barnard and his team sampled beaches, outcrops, rivers and creeks to track sand’s journey around the bay. They even collected sand from the ocean floor. The researchers then carefully analyzed the samples to characterize the shapes, sizes, and chemical properties of the sand grains.

Barnard said the information provides a kind of fingerprint, or signature, for each sample that can then be matched to a potential source. For example, certain minerals may only come from the Sierra Mountains or the Marin Headlands.

“If we’ve covered all of the potential sources, and we know the unique signature of the sand from these different sources, and we find it on a beach somewhere, then we basically know where it came from,” explained Barnard.

And those species aren’t the only things finding their way into the sand. Manmade materials can show up there, too. McGann has found metal welding scraps and tiny glass spheres (commonly sprinkled on highways to make road stripes reflective) in sand samples from around the bay.

“All of these things can get washed into our rivers or our creeks, or washed off the road in storm drains,” explained McGann. “Eventually they end up in, for example, San Francisco Bay.”

By piecing together all of these clues – the information found in the minerals, biological material and man made objects that make up sand – the researchers ended up with a pretty clear picture of how sand travels around San Francisco Bay.

Some sands stay close to home. Rocky sand in the Marin Headlands comes from nearby bluffs, never straying far from its source.

Other sands travel hundreds of miles. Granite from the Sierra Nevada mountains careens down rivers and streams on a century-long sojourn to the coast.

In fact, much of the sand in the Bay Area comes from the Sacramento and San Joaquin rivers, with local watersheds also playing an important role in transporting sand to the beach.

Although this project focused on San Francisco Bay, the same techniques could be used to study other coastal systems, he added, revealing the incredible life stories of sand from around the world.

---+ More Deep Look episodes:

What Happens When You Zap Coral With The World's Most Powerful X-ray Laser?
https://youtu.be/aXmCU6IYnsA

These 'Resurrection Plants' Spring Back to Life in Seconds
https://youtu.be/eoFGKlZMo2g

--
Full article: http://blogs.kqed.org/science/....2014/11/04/the-amazi

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KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, Radio and web media.

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is also supported by HopeLab, the David B. Gold Foundation, the S. D. Bechtel, Jr. Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, the Smart Family Foundation and the members of KQED.
#deeplook

O Antiphons / Grandes antiennes « Ô » de l'Avent / O-Antiphonen / O antifone

17 December
O Wisdom, who came from the mouth of the Most High, reaching from end to end and ordering all things mightily and sweetly: come, and teach us the way of prudence.
O Sagesse, sortie de la bouche du Très-Haut, qui enveloppez toutes choses d'un pôle à l'autre et les disposez avec force et douceur, venez nous enseigner le chemin de la prudence.
O Mudrosti, što Svevišnjem iz usta vječnih izvireš, i s kraja jednog do drugog po cijelom svijetu dopireš sve snažno, blago redeći: dođi među nas, uči nas, da pravi put nam pokažeš!

18 December
O Lord and Ruler the house of Israel, who appeared to Moses in the flame of the burning bush and gave him the law on Sinai: come, and redeem us with outstretched arms.
Ô Adonaï, guide du peuple d'Israël, qui êtes apparu à Moïse dans le feu du buisson ardent, et lui avez donné vos commandements sur le mont Sinaï, armez votre bras, et venez nous sauver.
O Adonaju, Gospode, što Izraelov vodiš dom, što Mojsiju ukaza se odjeven plamnom kupinom, i dade zakon Sinajski: pohiti da nas izbaviš božanskom svojom desnicom!

19 December
O Root of Jesse, that stands for an ensign of the people, before whom the kings keep silence and unto whom the Gentiles shall make supplication: come, to deliver us, and tarry not.
Ô Fils de la race de Jessé, signe dresse devant les peuples, vous devant qui les souverains resteront silencieux, vous que les peuples appelleront au secours, délivrez-nous, venez, ne tardez plus !
O slavni Jesin korijene, što naroda si barjak svih, pred kojim tih će postati i glas sa usta kraljevskih, kog molit svi će narodi: ne kasni, dođi izbavi iz nevolja nas premnogih.

20 December
O Key of David, and scepter of the house of Israel, who opens and no man shuts, who shuts and no man opens: come, and lead forth the captive who sits in the shadows from his prison.
Ô Clef de la cité de David, sceptre du royaume d'Israël, vous ouvrez, et personne alors ne peut fermer ; vous fermez, et personne ne peut ouvrir ; venez, faites sortir du cachot le prisonnier établi dans les ténèbres et la nuit de la mort.
O divni ključu Davidov i vladaoče roda svog, što otvaraš i zatvaraš i nema stvora nikakvog, što spriječit bi te mogao: dođi dobrostiv, sužnjeve iz mraka vodi tamničkog.

21 December
O dawn of the east, brightness of light eternal, and sun of justice: come, and enlighten those who sit in darkness and in the shadow of death.
Ô Orient, splendeur de la Lumière éternelle, Soleil de justice, venez, illuminez ceux qui sont assis dans les ténèbres et la nuit de la mort.
O Istoče, o sjaju svet u svjetlosti vjekovitoj, ti sunce pravde istinske: ograni bijedi čovječjoj, što tumara po tminama! Prosvijetli sve, što gube se u smrtnoj sjeni nemiloj.

22 December
O King of the gentiles and their desired One, the cornerstone that makes both one: come, and deliver man, whom you formed out of the dust of the earth.
Ô Roi des nations, objet de leur désir, pierre angulaire qui unissez les peuples opposés, venez sauver l'homme que vous avez façonné d'argile.
O Kralju sviju naroda, kog srdačni im žudi plam, od ugla silni kamene, što rajski dom i zemski hram u jedno spajaš: dođi već i čovjeka, svoj zemljan stvor, iz crnog jada spasi sam.

23 December
O Emmanuel, God with us, our King and lawgiver, the expected of the nations and their Savior: come to save us, O Lord our God.
Ô Emmanuel, notre roi et législateur, que tous les peuples attendent comme leur Sauveur, venez nous sauver, Seigneur notre Dieu !
O Emanuele, Spase blag, Zakonošo i Kralju naš, ti nado sviju naroda, što milostiv ih izbavljaš: o dođi sa neba, Gospodine i Bože naš, da spasenje nam vječno daš.

A jamais, Seigneur, ta parole, immuable dans les cieux.
Your word, o Lord, for ever stands firm in the heavens.
Dovijeka, o Gospodine, riječ tvoja ostaje, stalna poput nebesa.
La tua parola, Signore, è stabile come il cielo.
Tu palabra, Señor, permanece para siempre, está firme en el cielo.
In aeternum, Domine, verbum tuum constitutum est in caelo.
上主，你的聖言，存留永遠，它堅固而不移，好似蒼天

(Ps 119, 89)

Réponse, prière du soir / Evening prayer responsory

Text:

A jamais, Seigneur, ta parole, immuable dans les cieux.

D'âge en âge, demeure ta vérité. Immuable.
Gloire au Père, et au Fils, et au Saint-Esprit. A jamais.

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El canal de Bebe milo es para publico infantil. Podrás encontrar canciones infantiles, música infantil para niños y niñas, chicos y chicas. También podrás ver jugar juegos como minecraft gratis, roleplay muy entretenido y en español latino.
Lo importante es divertirse y tener lo mejor de minecraft para bebes en 2017 y 2018!

Om Nom Stories: FOOTBALL MATCH | Learn Colors with Colorful Soccer Balls for Kids by Om Nom

Om Nom along with his best friend Om Nelle are now entering the magical world of learning where every day they learn something new about shapes, colors, numbers and more! Come along kids and join your ever favorite #OmNom in this new and exclusive #cartoon collection of #LearningWithOmNom!


Don’t forget to subscribe: https://www.youtube.com/channel/UCvMF...

To watch more of our videos click on the following links:

Learn Colors with Om Nom Face Painting:
https://www.youtube.com/watch?v=qjTt7...

Learn Colors with Soccer Balls Xylophone:
https://www.youtube.com/watch?v=Ax-EA...

Learn Numbers and Colors with Underwater Sea Animals:
https://www.youtube.com/watch?v=pe-sz...

Om Nom Arts and Crafts:
https://www.youtube.com/watch?v=x4Lb3...

I love YouTube, but seriously, can we employ a bit of rational thinking please? Thank you. More FILMMAKING videos to come.

PLEASE SHARE AND HELP ME GET TO 100,000 SUBS!
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NOTE: Some of the links are affiliate links which means I get a small commission (you don't pay more). I use that to to cover expenses to keep this channel going so I can help improve your videos and filmmaking. It is very much appreciated!

What I shoot my episodes with:
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---------------------------------------- #basicfilmmaker #filmmaking #videos

Oso Yogi - 09.- Oso Desconcertado

"Pájaros hacen caca. MUCHA caca..."

Visite la pagina http://kiskeya.life/guano para una lista de las fuentes de este episodio.

Visite http://kiskeya.life para mas vídeos y artículos en Ingles y Español sobre Quisqueya!

¡Duda, investiga y aprende!

Patreon: https://www.patreon.com/user?u=877947
Instagram: http://instagram.com/kiskeya.life/
Facebook: http://facebook.com/kiskeyalife
Twitter: http://twitter.com/aleccorday

Las cámaras y equipo nuestro:
http://amzn.to/1VD2vSJ

#islaaltovelo #guano #kiskeyalife

------------------------------------------------

Créditos:

Escrito, dirigido y producido por Alec Corday
http://www.aleccorday.com

Productor Ejecutivo Lola Mendez
http://instagram.com/uh.lola
http://instagram.com/lolamendezphotography
http://www.uhlola.com
http://www.lolamendezphotography.com

Tema musical principal por SENNA
https://sennamusic.bandcamp.com/

Alejandro Bermúdez - Preguntas y respuestas

Visit me on FB: https://www.facebook.com/LeonardoPereznieto
Visit my website: http://www.artistleonardo.com/

Do you want to help me translating it into your language?
(Note: First check if it hasn´t been translated already by pressing the "CC" button on the lower part of the video).
All you need to do is to please translate the file at the link below and send it to me:
https://docs.google.com/file/d..../0B0UOw8r7hWG2UXluTm

Visit: http://www.fineartebooks.com/ for free drawing tutorials.

If you would like to invest in a drawing, painting or sculpture by Leonardo Pereznieto, or to hire him for workshops or lectures, please write to: info@leopereznieto.com (Business only, not for personal messages.)

List of materials:

Mechanical pencil with a 0.5 HB lead
MagicRub FaberCastell eraer
Canson white drawing paper, fine grain

If you would like to see photos and brands of my tools, please go to my blog about materials with the following link:

http://www.fineartebooks.com/howtodraw_drawingschool/My_Blog/Entries/2012/8/1_My_materials.html

You may also follow me on:

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Audio file(s) provided by http://www.audiomicro.com

This tutorial shows how to draw a Manga Face Easily (Female)
Как просто нарисовать лицо в стиле Манга (Женское)
Як легко малювати манга обличчя (жіноче)
Comment dessiner facilement un visage manga (féminin)

Canción oficial de la Misión Continental, Realizada por la Pastoral Juvenil de República Dominicana
Participan: Due-t, Gerardo Anderson, Mi Sostenido, Ester Hernandez, Tony Fox, Ronald Romero y Alfareros.
Compuesto, Producido y Dirigido Por Junior Cabrera para la Pastoral Juvenil Dominicana

“We’re all in this. ‘Til the end.” See Star Wars: The Rise of Skywalker in theaters December 20. Get your tickets: http://fandango.com/TheRiseOfSkywalker