Circulatory System II 4ºA
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Hello, today we are going to tell you about circulatory systems.
00:00:05
The first thing that we have to know is what is blood and what does it carry.
00:00:10
Blood is a liquid that travels through the blood vessels.
00:00:15
Blood carries CO2, oxygen, nutrients and waste products.
00:00:19
About the same we have.
00:00:25
Blood alerts stop bleeding when we have a wound.
00:00:37
Red blood cells that carry oxygen, CO2.
00:00:41
White blood cells is used to protect from germs and parasites.
00:01:01
What kind of blood vessels do we have?
00:01:15
Arteries transport oxygen from the heart to the body cells.
00:01:23
Veins carry blood with CO from the body to the heart.
00:01:33
Capillaries connect veins with arteries.
00:01:41
Goodbye! Thanks for watching!
00:01:47
- Idioma/s:
- Autor/es:
- Alumnos de 4ºA del CEIP Eugenio María de Hostos
- Subido por:
- Julia R.
- Licencia:
- Dominio público
- Visualizaciones:
- 72
- Fecha:
- 13 de noviembre de 2019 - 19:31
- Visibilidad:
- Clave
- Centro:
- CP INF-PRI EUGENIO MARIA DE HOSTOS
- Duración:
- 01′ 59″
- Relación de aspecto:
- 1.78:1
- Resolución:
- 1920x1080 píxeles
- Tamaño:
- 189.00 MBytes