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Self-assessment T8 06 - Nutrition, breathing and circulation
EduBook Organización
- 1053 visitas
Which of these substances do we need to live? oxygen carbon dioxide water vitamins nicotine carbon monoxide
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Urban park
Esdres Jaruchik Organización
- 1 lo usan
- 313 visitas
Image of a urban park that can be used to talk about the important of forests as oxygen factories.
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Respiration
EduBook Organización
- 2201 visitas
3.1. How do cells obtain energy? In aerobic cellular respiration, nutrients break down in the presence of oxygen and gradually release their energy. This process generates carbon dioxide (figure 1). The…
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True / False. Cellular respiration
EduBook Organización
- 2139 visitas
Are these sentences true or false? Our body exchanges oxygen for carbon dioxide inside the pulmonary arteries. The pulmonary alveoli are connected to a network of very small blood vessels called…
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Self-assessment T8 05 - Nutrition, breathing and circulation
EduBook Organización
- 1554 visitas
Are these sentences true or false? Our body exchanges oxygen for carbon dioxide inside the pulmonary alveoli. Cellular respiration takes place in the lungs. Cellular respiration takes place in the…
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The formation of the Earth atmosphere
EduBook Organización
- 1053 visitas
In the beginning, our planet had no atmosphere. As the Earth cooled, various gases were produced. These gases formed the first atmosphere. Oxygen appeared when the first plants began to produce oxygen…
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Air and the atmosphere
EduBook Organización
- 4834 visitas
Air. Air a mixture of gases. It is all around us. Hurricane. A hurricane is a very strong, destructive wind. Atmosphere. The atmosphere is the layer of air that surrounds the Earth. Oxygen. A gas.…
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Complete. Cellular respiration
EduBook Organización
- 2219 visitas
Complete this text with the correct words: lungs - cellular - bloodstream - carbon dioxide - energy - exhale - blood vessels - heart Blood containing oxygen passes from the to the . The heart pumps the…
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Respiration in plants
EduBook Organización
- 1640 visitas
How plants respire Like all living things, plants need energy to live. To obtain this energy, they absorb oxygen from the air and release carbon dioxide. This process is called respiration. Respiration…
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Blood circulation
e-Learning for Kids Organización
- 3279 visitas
The resource provides an explanation about the parts of the heart and explains how the lungs help to get oxygen into our bodies.