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Shayla Nguyen
Anatomy Weels 6-12
| Question | Answer |
|---|---|
| What is the process of muscular contractions and relaxations that pushes food through the entire alimentary canal? | Peristalsis |
| Where does the chemical digestion of carbohydrates (starch) first begin? | In the oral cavity (mouth) with the enzyme salivary amylase |
| Which organ produces bile, which is necessary for the emulsification (breakdown) of fats? | The liver |
| Which structure stores bile until it is needed in the small intestine? | The gallbladder |
| In which specific part of the digestive system does most of the nutrient absorption occur? | The small intestine, particularly the jejunum and ileum, which have large surface areas due to villi and microvilli. |
| What is the name of the acidic, semi-liquid mixture of partially digested food and gastric juices that leaves the stomach? | Chyme |
| Which accessory organ has both endocrine (insulin and glucagon) and exocrine (digestive enzymes) functions? | The pancreas |
| The wall of the alimentary canal has four main tissue layers (tunics). Name them from the innermost layer to the outermost layer. | Mucosa, submucosa, muscularis externa, and serosa (or adventitia in some regions like the esophagus) |
| What is the primary function of the large intestine? | To absorb most of the remaining water and electrolytes from indigestible food matter and form feces |
| What small flap of tissue prevents food from entering the trachea (windpipe) during swallowing? | The epiglottis |
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shaylaxnguyen