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Learn. The different types of respiration - Animal nutrition
EduBook Organización
- 2490 visitas
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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Upthrust and buoyancy in liquids
EduBook Organización
- 2395 visitas
7.1. Archimedes' principle If we try to submerge a ball in a container of water, the water exerts a vertical upward force known as upthrust. According to Archimedes' principle: A body totally or…
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End-of-unit activities - Human reproduction
EduBook Organización
- 2192 visitas
Reproduction is an essential function in human beings. It enables humans to produce individuals similar to themselves. In this unit you will learn how the reproduction that started your life occurred.…
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End-of-unit evaluation - Human reproduction
EduBook Organización
- 2184 visitas
Reproduction is an essential function in human beings. It enables humans to produce individuals similar to themselves. In this unit you will learn how the reproduction that started your life occurred.…
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The symmetry of animals
EduBook Organización
- 2162 visitas
There are two different types of symmetry in animals: radial and bilateral symmetry. Radial symmetry. The animal's body has equal parts that radiate from a central axis. It is similar to the spokes…
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Frankie and Francine
Tiching explorer Organización
- 2253 visitas
Activity designed to help us learn the parts of the body. We drag and drop the parts of the body of two characters ("Frankie and Francine") into the appropriate places. In the end we can…
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Self-assessment T8 07 - Nutrition, breathing and circulation
EduBook Organización
- 2123 visitas
Match the function to each component of blood: They defend our body from microbes. They are very small cells that are needed for blood clotting. It transports nutrients to all the cells in our body.…
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Vocabulary quiz
EduBook Organización
- 2094 visitas
Answer these questions, but don’t look back at the "Vocabulary - Parts of the Body" activity! You have two minutes for all the questions! It’s right in the middle of your face. It separates…
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Did you know?
EduBook Organización
- 2042 visitas
Perspiring is really important. It is a mechanism for regulating our body temperature. When we sweat from the heat or doing exercise, the water that our skin excretes evaporates on contact with the air…
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