Recursos educativos cells página 15

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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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Plant nutrition
EduBook Organización
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Photosynthesis Plants and animals both feed on organic matter. However, plants are different to animals because they make their own organic matter and turn it into food. They do this through a process…
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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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Answer. Living things
EduBook Organización
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Remember what you have studied in this unit and answer: What characteristics do you have in common with a rose and a mushroom? What are the main activities of living things? What is a stimulus? Name the…
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Initial evaluation 5 - The Earth, a Living Planet
EduBook Organización
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Complete the text with the missing words: Although they seem very , all cells have the same structure: A gelatinous material: . A fine membrane that surrounds the cytoplasm: the membrane. A material…
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True/false. Human reproduction
EduBook Organización
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Decide if the following statements are true or false: The zygote is formed of many different cells. ➝ The union of sperm and ovum is called fertilisation. ➝ Only one individual is involved in sexual…
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Video: BioVisions, Inner Life
Tiching explorer Organización
2 lo usan

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This 3D animation takes us into a microscopic journey into the cell. We follow leukocytes rolling on endothelial cells, we can witness the interaction of P-selectin with PSGL-1, we can watch lipid rafts…
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Video: Excel 2007 tutorials
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This page contains video tutorials covering the basics of Microsoft Excel: importing and exporting data, setting up a workbook, using worksheets, cells, columns and rows, formatting, using comment…
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Video: Cellular Visions, The Inner Life of a Cell
Tiching explorer Organización
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This 8 minute 3D animation shows molecular mechanisms, for example how white blood cells sense and respond to their surrounding and external stimuli. Since there is no script, we may try to explain all…
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Learn. The different types of respiration - Animal nutrition
EduBook Organización
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Diffusion In unicellular organisms, like the amoeba, respiratory gases are exchanged across the whole surface of the body. These gases then cross the cell membranes by diffusion. Tracheal respiration…
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