4701948
Description
Flashcards by Rawan Ibrahim, updated more than 1 year ago
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Created by Rawan Ibrahim
over 8 years ago
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| Question | Answer |
| How long is food stored for in the stomach? | 1 - 6 hours. |
| What is gastric juice? | A mixture of chemicals produced by cells in the stomach wall. |
| What does gastric juice contain? | - Hydrochloric acid. - Mucus. - Digestive juices. |
| What is hydrochloric acid? | A strong acid that kills any bacteria that may have entered the body with the food. |
| What is mucus? | Creates a layer on the lining of the stomach to stop the stomach from digesting itself. |
| What are digestive juices? | Contains chemicals that start the digestion of protein. |
| Is the duodenum the first or second part of the small intestine? | First. |
| What does the pancreas do? | Produces pancreatic juice that contains chemicals that help digest carbohydrates. |
| What is the body's largest internal organ? | The liver. |
| What is bile? | It is a greenish liquid that chemically digests fats. |
| What is found on the inner lining of the small intestine? | Villi. |
| What does it do? | Increases the surface area of the wall of the small intestine. |
| How long is the small intestine? | It can be up to 6 meters long. |
| How long is the large intestine? | 1.5 meters long. |
| What happens in the large intestine? | Water and remaining nutrients are absorbed from the left-over food. |
| How does the body get rid of the wastes? | Throw a sphincter muscle at the end of the digestive tract called an anus. |
| What causes vomiting? | Stress and infections can cause the muscular wall of the stomach and small intestine to contract which means the contents of the stomach are forces back up through the oesophagus. |
| What is heartburn? | It is the burning feeling rising up your oesophagus from your stomach. |
| Why does it burn when you feel contents of the stomach coming up your oesophagus? | It burns because your oesophagus does not have mucus lining it to protect it from stomach acids. The burning sensation is the stomach acid attacking the lining of the oesophagus. |
| How does your appendix become swollen and inflamed? | When the opening of it is blocked and the appendix starts to fill with mucus. |
| How do you treat an inflamed appendix? | You have to remove the appendix through an operation before it bursts and causes even more pain. |
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