SciShow
Why Crocodiles Have an Extra Hole in their Heart
Crocodiles have four-chambered hearts, just like we do! But, while our hearts do just fine with four valves, they have a slightly different approach…
SciShow
Getting To Know Cows Inside and Out | Compilation
From being able to eat grass, to changing the weather with their burps: Cows are incredible creatures!
SciShow
Biofilm: A New (Gross) Thing to Worry About
Slime can be great, but when it's the wrong kind of slime (you know, the kind that can kill you?), it gets added to the list of things Hank wishes he didn't have to worry about. Scientists call it biofilm, and it's a type of bacterial...
SciShow
Why Do Dogs Eat Grass?
Why do dogs eat grass? A look at your pup’s wild relatives may give you a sense of what dogs’ diets are really like.
Amoeba Sisters
Enzymes (Updated)
The Amoeba Sisters explain enzymes and how they interact with their substrates. Vocabulary covered includes active site, induced fit, coenzyme, and cofactor. Also the importance of ideal pH and temperatures for enzymes are discussed.
TED-Ed
TED-ED: What is a calorie? - Emma Bryce
We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need?...
SciShow Kids
You Are What You Eat!
Join Jessi and Squeaks as they prepare a special meal for friends. You’ll learn some fun food science facts, like the difference between fruits and veggies and how your tongue works so you can taste food!
Curated Video
Best & Worst Foods for Digestion
Howcast - Learn about the best and worst foods for digestion from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems.
Curated Video
What Are Digestive Disorders?
Howcast - Learn about digestive disorders from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems.
Curated Video
What Is Pancreatitis?
Howcast - Learn about pancreatitis from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems and digestive disorders.
Curated Video
Should Fruits & Vegetables for Homemade Baby Food Be Peeled?
Howcast -Learn if you should peel the fruits and vegetables you use in homemade baby food from Petit Organics founder Michelle Muller-Marinis in this Howcast video.
Curated Video
How to Survive the Annual Thanksgiving Dinner Food Coma
Howcast - Turkey Day is no time to diet, but ending the day feeling bloated and sluggish is no fun. Counteract this Thanksgiving dinner condition with these strategies.
Curated Video
6 Yoga poses to practice every winter morning for improved digestion
This video presents six yoga poses specifically designed for winter mornings to improve digestion. These poses are carefully selected for maximum benefits during colder months. By incorporating them into your daily routine, you can...
Curated Video
Writing the introduction of an explanation text about the digestive system
Pupil outcome: I can write the introduction of an explanation text to explain how the digestive system works. Key learning points: - An introduction's purpose is to give general facts about the topic and to tell the reader what they will...
Curated Video
Microvellosidades
Diminutas proyecciones de la superficie de algunos tejidos y órganos que sirven para aumentar su superficie.
Twig - Biología
Curated Video
Hormonas
Sustancias químicas producidas en el organismo que actúan como mensajeras y comunican las distintas células y órganos.
Twig - Biología
Curated Video
Digestión
Descomposición mecánica y química del alimento en el organismo para obtener sustancias químicas más simples que se puedan absorber y utilizar en el metabolismo.
Twig - Biología
Curated Video
Carbohidrato
Moléculas como el azúcar y el almidón, una importante fuente de energía para los organismos vivos.
Twig - Química
Curated Video
Amilasa
Es una importante enzima digestiva que descompone el almidón en azúcares.
Twig - Biología
Curated Video
Absorción
En la digestión, la absorción es el paso de los nutrientes y otras sustancias de la comida del intestino al torrente sanguíneo, y se produce en el intestino delgado.
Twig - Biología
Curated Video
Bilis
Líquido de color verde oscuro a amarillo de sabor amargo producido por el hígado y que se almacena en la vesícula biliar.
Twig - Biología
Curated Video
El intestino grueso
El capítulo final del viaje del alimento a través del sistema digestivo: cómo las bacterias transforman la materia no digerida en desechos.
Twig - Biología - El cuerpo humano - La digestión
Claves de aprendizaje
Aquí se...