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Self-assessment T8 04 - Nutrition, breathing and circulation
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Complete this text with the correct words: The respiratory system is the group of through which we are able to inhale , and exhale . It consists of the and the lungs. The respiratory tract connects the…
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Respiration
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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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Learn. The different types of respiration - Animal nutrition
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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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Nutrition, breathing and circulation
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- 1 lo usan
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Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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Introduction - Nutrition, breathing and circulation
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Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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Learn. Measure your heart and breathing rates
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What do we do? Our circulatory and respiratory systems are constantly adapting to our body's needs. You can test this with the following experiment. While you are resting, check your pulse and count…
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End-of-unit activities - Nutrition, breathing and circulation
EduBook Organización
- 3356 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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End-of-unit evaluation - Nutrition, breathing and circulation
EduBook Organización
- 3271 visitas
Our body needs nutrients and oxygen to live and grow. We obtain nutrients from food, and oxygen from the air. In our body, the digestive system gives us the nutrients that we need, and the respiratory…
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A joint action
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The senses of taste and smell work together. When we eat, we are actually tasting and smelling the food at the same time. This means we can enjoy many different tastes. We can see evidence of this when…
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Video: Texas Resident Wins Award for Challenging Oil Refineries
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This 3 minute report from Voice of America features the environmental struggle of Hilton Kelly against an oil processing plant in his hometown. This was releasing toxins which caused respiratory…
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