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Fichas por Zubayr C-137 Rashid, actualizado hace más de 1 año
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Creado por Zubayr C-137 Rashid
hace más de 7 años
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| Pregunta | Respuesta |
| Unit 3.1 | Digestion |
| What does muticellular mean? | Made up of millions of tiny building blocks called cells. |
| What are different types of cells? | Skin cells, brain cells and muscle cells. |
| What is the respiratory system? | The organ system that takes in oxygen |
| What is the circulatory system? | The organ system that carries the food and oxygen to the cells where it is needed. |
| What is the skeletal system? | The organ system that supports the body and enables it to move. |
| What is digestion? | The process of breaking down food into a usable form and making its nutrients available. |
| What is the digestive system? | The organ system that makes food available in a form the body you can use. |
| What is mechanical digestion? | When the food is sliced, torn and crushed by your teeth. |
| What is chemical digestion? | The large, complex substances in the food are broken down into simpler chemicals. |
| Give an example of chemical digestion? | Breaking down of bread from starch into glucose. |
| What are the four types of teeth? | Incisors, canines, premolars and molars. |
| What is the oesophagus? | A long muscular tube that starts at your mouth and ends of your stomach? |
| What is gastric juice? | Produced by special cells in the stomach wall. |
| What is hydrochloric acid? | A strong acid that kills many of the bacteria. |
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