Digestive System Study Guide: The Digestive System – Flashcards
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What are 3 Main functions of the digestive system?
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1. First it breaks down into molecules the body can use. 2. Then, the molecule are absorbed into the blood and carried throughout the body. 3. Finally, wastes are eliminated from the body.
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What is digestion?
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Digestion is the process by which the body breaks down into small nutrient molecules.
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What is chemical Digestion? a. Where in the body does it take place?
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Chemical Digestion is processed by the body breaks food into their smaller chemical building blocks. a. In the stomach and mouth(small intestine)
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What is mechanical digestion?Where does it take place?
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Mechanical digestion occurs when foods are physically broken down into smaller pieces. It takes place in the stomach and mouth.
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What is absorption?
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Absorption the process by which nutrient molecule pass through the wall of your digestive system into your blood.
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What is the purpose of the mouth?
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The purpose of the mouth is because without your mouth you wouldn't be able to eat. Also because, to take food in and begin digestion.
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What does saliva do?
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Saliva is the fluid released when your mouth is closed
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What are enzymes?
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Protein that speed up chemical reactions.
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What is the function of the esophagus?
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The function of the esophagus is that there's a muscular tube that connects the mouth to the stomach. Also it makes it easy to bring food from the mouth to the stomach.
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What is the function of the epiglottis?
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The function of the epiglottis is that there's a flap of tissue that seals off the windpipe and prevents food from getting inside the windpipe.
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What happens when the food goes down the wrong tube? (where does it go?)
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when the food goes down the wrong tube you are going to choke, and its going to your windpipe.
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What is peristalsis?
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Peristalsis is involuntary waves of muscle contraction.
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What is a stomach?
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Stomach is a j-shaped muscular pouch located in the abdomen.
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What is the function of the stomach?
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The function of the stomach is to expand and to hold all of the food that you swallow.
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What chemicals are found in the stomach?
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The chemicals found in the stomach are pepsin and hydrocloric.
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What is the purpose of the small intestine?
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The part of the digestion system where most chemical digestion take place. ( creates chemical digestion and absorption. ) (small intestine absorbs nutrients)
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What carries the nutrient to the cells of the body?
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Blood carries nutrient to the cell of the body.
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What increases the surface area of the small intestine?
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Pancreas
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What are the 3 helpers organs that work with the small intestine? a. What do they each contribute?
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Liver,Pancreas, and gall bladder a. Liver produces bile, Gall Bladder releases and cecrates, pancreas produces enzyme.
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What is the function of large intestine?
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The function of the large intestine is that water is absorbed into the bloodstream and the remaining material is eliminated from the body.
