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Introduction - Human reproduction
EduBook Organización
- 2726 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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Unit 6: The Hydrosphere
EduBook Organización
- 2485 visitas
Absorption (n): the process of taking in water or another substance. aquifer (n): a natural deposit of fresh groundwater found within porous rock. colourless (adj): having no colour. continental waters…
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Learn. The different types of respiration - Animal nutrition
EduBook Organización
- 2475 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
- 2385 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
- 2175 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
- 2170 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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Frankie and Francine
Tiching explorer Organización
- 2229 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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The symmetry of animals
EduBook Organización
- 2116 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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Vocabulary quiz
EduBook Organización
- 2051 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
- 2008 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…