Functions of Digestive System | Alimentary Canal 1 | Alimentary Canal 2 | Accessory Organs | Nutrients |
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What is Ingestion?
Taking in food, the process of eating
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What is the start of the digestion process?
Mouth
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What is the function of the stomach?
Receives food from the esophagus, mixing and storing until the food gets completely digested
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What are accessory organs?
Organs that help with the digestive system but aren’t a part of the actual digestive tract
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What is the main nutrient source of energy?
Carbohydrates
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What is Absorption?
Taking in nutrients
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Name the 3 sections of the large intestine.
Cecum, colon, rectum
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What organ is the location of most digestion and nutrient absorption?
Small Intestine
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What is the function of the liver?
Removes bacteria, detoxifies blood from drugs and poison, stores glycogen, and produces fats
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Name the 6 major nutrients.
Water, carbohydrates, fats, proteins, vitamins, minerals
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What is Secretion?
When the enzymes are liquified, adjusting the pH level
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What does a tongue do to help the digestion process?
Helps to push food down the esophagus
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What are the functions of the large intestine?
Absorption of water and salt back into the body, removal of wastes through the rectum and anus that is left over
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Where is the pancreas located? What is the function of the pancreas?
Located in the abdomen, which converts food into fuel for the body's cells
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Where are fats used in the human body?
Cell membranes, nerve cells, hormone production, and energy
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What is Propulsion?
Movement of food along with the digestive tract
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Name the 4 layers of tissue of the alimentary canal.
Mucosa, Submucosa, Muscularis, Serosa
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How do the built-up feces leave the body?
The external anal sphincter needs to be voluntarily relaxed which causes it to release the built-up feces in the anus
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When does the gallbladder release the bile?
When a person eats to aid the digestion of fat
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Define protein.
Protein is the main constituent of the body, which makes up muscles, internal organs, skin, and blood
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What is Egestion?
Elimination of waste
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Define anus.
The opening at the very end of the digestive tract when feces leave the body
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Which kind of gastric gland cells does the mucosa layer include?
Mucous cells, chief cells, parietal cells
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What happens when too much water is removed from the gallbladder?
Gallstones might form in the gallbladder
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Where are vitamins used in the human body?
To build up proteins, fats, sugars, and are an essential nutrient for keeping the body healthy
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