Shadowing Practice: How Does Dialysis Work? | Kidneys & Blood Cleaning Explained | Dr. Binocs Show - Learn English Speaking with Video

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Eww!
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The water's dirty!
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Oh dear!
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Looks like our filters tired, Kitty!
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Filtering isn't easy, you know!
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Even our kidneys can get worn out!
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Really?
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What happens then?
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The humans need a little artificial help.
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Let me show you by answering how dialysis works.
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Zoom in!
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Every day, your two bean -shaped organs called kidneys quietly pull off one of the most amazing jobs in your body.
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They clean your blood.
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They remove waste like urea, valence, electrolytes such as sodium and potassium and regulate fluid levels,
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blood pressure and even red blood cell production.
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The purified blood then returns to circulation while the waste is excreted from the body as urine.
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But sometimes, due to conditions such as diabetes, long -term high blood pressure,
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severe infections or certain genetic disorders,
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the kidneys may lose their ability to function properly this loss of function is known as kidney failure
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or renal failure when this happens toxins fluids
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and salts begin to build up in the body leading to fatigue nausea swelling
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and further increases in blood pressure if left untreated these imbalances can damage the heart,
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lungs and other vital organs.
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That's where dialysis comes in.
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An artificial way to take over the kidneys cleansing job of removing waste and extra fluid from the blood.
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But then how does it work?
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Well there are two main types of dialysis.
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Hemodialysis and peritoneal dialysis.
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Each using a different method but based on the same scientific principles of diffusion and osmosis
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The movement of particles and water across a semi -permeable membrane
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In hemodialysis, blood is cleansed outside the body using a machine called a dialyzer
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Often referred to as an artificial kidney
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To prepare for treatment, a small surgical procedure creates a vascular access such as an arteriovenous AV fistula,
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a direct connection between an artery and a vein or a graft, which is a soft plastic tube connecting the two.
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During each dialysis session, two needles are inserted into this access point.
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Blood flows out of the body through one needle and travels through tiny hollow fibres inside the dialyser.
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As it moves along, waste molecules like urea
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and excess potassium pass through the fibre walls into a special cleansing fluid called dialysate,
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while essential components remain in the bloodstream.
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The cleaned blood then returns to the body through the second needle and into the veins.
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This process usually takes about four hours and is performed three times a week.
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Peritoneal dialysis, on the other hand, turns the body into its own filter.
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A soft tube called a catheter is surgically placed into the patient's abdomen.
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The peritoneum, the thin membrane lining the abdominal cavity,
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acts as the natural semi -permeable filter.
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Dylacate fluid is infused into the cavity where it absorbs wastes and excess water from the surrounding blood vessels.
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After several hours, the used fluid now containing toxins is drained into a collection bag
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this process called an exchange can be done manually several times a day
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or automatically overnight with the machine
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while dialysis can't cure kidney disease it provides a remarkable bridge keeping people alive
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and healthy enough to await a transplant or continue living and act manageable life.
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Trivia time!
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Did you know each kidney is roughly the size of a closed fist and weighs just under 0 .4 kilograms?
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Also, each kidney contains approximately 1 million microscopic filtering units called nephrons.
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Sketching time!
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Today's sketch of the day goes to scarlet harris hope
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you learned something critical today until next time
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it's me dr binocs zooming out kitty why
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or not did you bring a dialysis machine to replace the ordinary water filter
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Oh, Kitty, never mind.

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Vocabulario y notas de pronunciación para esta lección

Esta lección de conversación se basa en el vídeo “How Does Dialysis Work?”. Las palabras que más se repiten: blood, kidney, dialysis, fluid, waste. Este vídeo tiene 60 frases y 610 palabras para practicar shadowing. La parte hablada dura 5:52. El hablante habla despacio, unas 104 palabras por minuto, así que hay tiempo para imitar cada sonido. Solo el 70 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.

Vocabulario clave de este vídeo

15 palabras del vídeo que vale la pena aprender, con su pronunciación y significado:

PalabraPronunciaciónSignificado
kidney sustantivo/ˈkɪdni/riñón
filter sustantivo/ˈfɪltɚ/filtro
fluid sustantivo/ˈflu.ɪd/fluido
artificial adjetivo/ˌɑː.tɪˈfɪʃ.əl/artificial
kitty sustantivo/ˈkɪti/gatito, minino
needle sustantivo/ˈniː.dəl/aguja, yawri
tube sustantivo/tuːb/tubo, chisguete
excess sustantivo/ˈɛksɛs/exceso
organ sustantivo/ˈɔːɡən/órgano
sketch sustantivo/ˈskɛt͡ʃ/esquicio, bosquejo
zoom verbo/zuːm/zumbar
membrane sustantivo/ˈmɛm.bɹeɪn/membrana
vein sustantivo/veɪn/vena
fibre sustantivo/ˈfaɪ.bə(ɹ)/fibra, brenca
cavity sustantivo/ˈkæv.ɪt.i/cavidad

Phrasal verbs que vas a escuchar

PalabraPronunciaciónSignificado
move along verbotransitar, circular
pass through verboatravesar
pull off verbollevarse el gato al agua, poner una pica en Flandes
take over verboapoderarse, enseñorearse
wear out verbodesgastar, ajar
zoom out verbo/ˌzuːm ˈaʊt/alejar el zoom, quitar zoom (el)

Pronunciación a tener en cuenta

  • Los sonidos de “th”: thin /ˈθɪn/, catheter /ˈkæθɪtɚ/
  • Los sonidos de “sh” y “zh”: artificial /ˌɑː.tɪˈfɪʃ.əl/, infection /ɪnˈfɛkʃən/, circulation /ˌsɝkjʊˈleɪʃən/, diffusion /dɪˈfju.ʒən/
  • Palabras largas — cuida el acento: artificial /ˌɑː.tɪˈfɪʃ.əl/, ordinary /ˈɔɹdɪnɛɹi/, circulation /ˌsɝkjʊˈleɪʃən/, manually /ˈmænj(u)əliː/, dialysis /daɪˈælɪsɪs/

Sonidos difíciles para hispanohablantes:

  • s + consonante al inicio — sin añadir una “e” delante: sketch /ˈskɛt͡ʃ/, scarlet /ˈskɑɹlɪt/, swell /swɛl/
  • /v/ — no es /b/: los dientes tocan el labio inferior: vein /veɪn/, cavity /ˈkæv.ɪt.i/, vital /ˈvaɪtəl/, vessel /ˈvɛsəl/, overnight /əʊvə(ɹ)ˈnaɪt/
  • /z/ — sonora, no /s/: zoom /zuːm/, diabetes /ˌdaɪəˈbiːtiːz/, transplant /tɹænzˈplænt/, nausea /ˈnɔzi.ə/, cleanse /klɛnz/

Cómo practicar con este vídeo

  1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
  2. Haz shadowing frase por frase a velocidad normal, repitiendo cada una hasta que tu ritmo coincida con el del hablante.
  3. Grábate y compara con el original, prestando atención a palabras como kidney, filter, fluid.

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →