Recursos educativos oxygen página 3

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Self-assessment T8 06 - Nutrition, breathing and circulation
EduBook Organización
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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
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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
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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
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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
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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
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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
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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
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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
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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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Unit 5
EduBook Organización
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Plants have stems and plants have leaves, Underground they all have roots, Plants make oxygen and seeds, Some grow flowers and tasty fruits.
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