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Digestive System
7th Grade Unit 23
| Term | Definition |
|---|---|
| Digestive System | a series of organs that work together to break down food into nutrients that can be absorbed and used by the bod |
| Mechanical Digestion | the physical process of breaking food into smaller pieces. It begins in the mouth with chewing and continues in the stomach and intestines |
| Chemical Digestion | the process where food is broken down into smaller molecules by enzymes, allowing the body to absorb nutrients from the food through the bloodstream |
| Mouth | the opening in an organism's body through which food enters, essentially the first part of the digestive system, usually bordered by lips and containing teeth and tongue |
| Saliva | The clear, watery fluid in the mouth made by the salivary glands. that moistens food to help with chewing and swallowing |
| Pharynx | a hollow, muscular tube inside the neck that starts behind the nose and opens into the larynx and esophagus |
| Epiglottis | a flap of cartilage that covers the windpipe when you swallow, preventing food and drink from entering your lungs |
| Esophogus | The muscular tube through which food passes from the throat to the stomach |
| Stomach | muscular, hollow organ in the digestive system that breaks down food |
| Small Intestine | a long, tube-like organ in the digestive system that primarily absorbs nutrients from food, connecting the stomach to the large intestine and where most digestion takes place |
| Large Intestine | a tube-shaped organ in the lower abdomen that absorbs water and electrolytes from food waste, and eliminates waste from the body |
Created by:
klstorie
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