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AP Bio Dgst. System
Questions for AP Biology Digestive System
| Question | Answer |
|---|---|
| Explain Mechanical Digestion. | Large pieces of food that are ingested are broken down into smaller particles that can be digested into "mush" in the stomach. it also happens when the stomach churns and mixes the food particles. |
| Describe the function of the Gallbladder and its part in the digestive system. | The Gallbladder stores your bile (about 1 pint)the bile makes the "mush" a more neutral mixture. |
| What is the difference between digestion and ingestion? | Digestion is the breaking down of nutritional particles ingestion is taking those nutrients into the body. |
| Why is peristalsis compared to that of a large crowd doing the wave? | Peristalsis is a muscle reaction that basically squeezes your food down to your stomach, but it does not stop there. It continues on through the digestive track. |
| What does the Digestive System Do? | Completes three processes; Digestion, Absorption, and Metabolism. |
| What enzyme is located in the mouth and what form is it in? | Saliva is produced in your mouth from the Sublngual gland, it contains Amylase which helps break down starches. |
| Describe ingestion. | Ingestion is taking food into the body, like eating a piece of bread and munching on it. |
| What lines the stomach that makes the "mush" flow along the digestive system better? | A lining of mucus produced from the Mucous cells. |
| What acids are produced in the stomach? | Hydrochloric acid and Pepsin |
| As peristalsis carries along the body what muscle ring opens to allow "mush" to carry on to the small intestine? | The Pyloric Sphincter. |
| Though funny words, what exactly are Villi and Microvilli? | Both are tiny folds along the small intestine they increase surface area and helps to soak in nutrients. |
| Also silly terms, the duodenum, Jejunum, and ileum are located where? | The small intestine |
| What is the function of the large intestine? | The large intestine soaks up any nutrients left over from the small intestine and also stores waste. |
| What is the calling card of the bacteria living in your large intestine? | Gas. |
| What are all the parts in the Large Intestine? | cecum, colon, rectum, and anal canal. |
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bunti11231
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