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digestive system
| Question | Answer |
|---|---|
| What are the functions of the digestive system? | Breaking down food, Absorbs nutrients, Removes food wastes. |
| What is digestion? | digestion is the process by which food is broken down into small nutrient molecules. |
| What 2 ways can digestion be? | digestion can be chemical or mechanical. |
| What's absortion ? | Absortion is the process by which molecules are absorbed through the walls of the digestive system into the blood stream. |
| What's nutrients? | Nutrients are substances in food that provide the raw materials the body's cells need to carry out processes. |
| What's elimination? | Elimination is the removal of solid wastes from the body. |
| What is the pathway that food goes down in the correct order? | 1 mouth, 2 Esophagus 3 stomach 4 small intestine 5 large intestine 6 rectum. |
| What are ALL the parts of the digestive system? | Mouth,Salivary gland,Epiglottis,Esophagus,stomach,pancreas,liver,gallbladder,small intestine,large intestine. |
| What are Enzymes? | Enzymes are proteins that speed up chemical reactions in the body. |
| What does the mouth do? | The mouth mechanical (teeth) and chemical (enzymes) digestion begins. |
| What does the Esophagus do? | The Esophagus is a muscular tube that connects the mouth to the stomach. Food is pushed down through this passageways by peristalsis which is a wave like contraction that pushes down food. |
| What does the stomach do? | The stomach from the Esophagus: stomach muscles churn food (mechanical digestion) while the enzyme pepsin, breaks down proteins ( chemical digestion). all food remains here until all solid material is liquid (chyme) |
| What does the small intestine do? | The small intestine is where almost all chemical digestion and absorption of nutrients takes place. |
| What does the large intestine do? | The large intestine is where water is absorbed into the blood stream and remaining materials are readied for elimination from the body as feces. |
| What does the Rectum do? | The Rectum is a short tube at the end of the large intestine where waste material is compressed into solid form. |
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