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Digestive system III (4ºMIX) - Contenido educativo

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Subido el 20 de octubre de 2020 por Julia R.

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The Digestive System 00:00:02
Digestion 00:00:04
Digestion is the process by which our body breaks down food and absorbs them. 00:00:07
It takes place in the digestive system. 00:00:14
Every day we eat food to give us energy. 00:00:17
Digestion is part of nutrition. 00:00:21
The Mouse 00:00:25
First you take a mouthful of food. 00:00:27
Your teeth cut up and chew food. Your tongue mixes the food with saliva. This mix is called bolus. 00:00:30
The salivary glands produce the saliva. We swallow the bolus and it is pushed into the pharynx. 00:00:40
Pharynx 00:00:50
The muscles in the pharynx push the bolus down to the esophagus. 00:00:51
Esophagus 00:00:58
The chewed food travels down the esophagus into your stomach. 00:00:58
In the stomach, you store the food you have eaten. 00:01:04
Then, the chewed food mixes with gastric juices. 00:01:10
This mixture is called chyme. 00:01:14
The gastric juices also kill bacteria that are in the stomach. 00:01:18
the chine travels to the small intestine liver the liver secretes bile which 00:01:23
helps break down fats gallbladder the function of the gallbladder is to store 00:01:33
and concentrate the bile secreted by the liver pancreas the pancreas secretes 00:01:41
pancreatic juices that help you to provide the enzymes necessary for the 00:01:49
digestion of fats. Small intestine. Liquid food travels into a long, thin tube. 00:01:55
Juiceful nutrients are absorbed through the small intestine into your blood. Your 00:02:06
small intestine is lined with millions of tiny bumps called bilii. Food 00:02:12
nutrients soak in through the belly into your blood large intestine unwanted food 00:02:18
travels into a wider shorter tube called the large intestine your large 00:02:28
intestine sucks water out of the leftover food leftover food is squeezed 00:02:36
along your large intestine solid waste forms in the large intestine rectum the 00:02:43
rectum receives the waste materials that remain after the entire process of 00:02:52
digestion of the food constituting phases the rectum is the final part of 00:02:58
the large intestine. Enos. Solid waste leaves the body through the anus. The 00:03:05
waste is pushed out of your bottom and it comes out when you go to the loo. 00:03:14
Idioma/s:
en
Autor/es:
Pablo de 4ºMIXTO del CEIP Eugenio María de Hostos (curso 2020-2021)
Subido por:
Julia R.
Licencia:
Dominio público
Visualizaciones:
35
Fecha:
20 de octubre de 2020 - 0:54
Visibilidad:
Clave
Centro:
CP INF-PRI EUGENIO MARIA DE HOSTOS
Duración:
03′ 25″
Relación de aspecto:
1.78:1
Resolución:
854x480 píxeles
Tamaño:
51.33 MBytes

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