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38 Cards in this Set

  • Front
  • Back
What is the function of the Mouth?
Teeth - mechanical digestion
Tongue - helps form a bolus, pushes bolus to esophagus
What is the function of the Salivary Glands?
Saliva moistens and lubricates food
- enzymes chemically digest food
What is the function of the Epiglottis?
small flap that blocks trachea when swallowing
What is the function of the Esophagus?
- 25 cm long
- connects mouth to stomach
- food is moved through peristalsis
What is the function of the Stomach?
- stores food
- chemical digestion of protein by the enzyme pepsin ( aided by HCL)
- churns food
- mucus lining to protect itself
What is the function of the Liver?
- produces bile to emulsify fat
What is the function of the Gall Bladder?
- stores bile
What is the function of the Pancreas?
- releases enzymes into small intestines to digest protein, carbohydrates, and fat
- releases fluid into Small Intestine to neutralize stomach acid
What is the function of the Small Intestine?
-3.5 - 5 cm in diameter
- 6.7 m long
- chemical digestion of proteins, fats, and carbohydrates
- absorption of nutrients
- mucus
- villi help increase surface area for absorption
What is the function of the Large Intestine?
- 7-10 cm in diameter
- 1.5 m long
- forms and stores feces
- reabsorbs water
What is the function of the Anus?
open for elimination of feces
What is the function of the Rectum?
stores and expels feces
What is pepsin?
pepsin only breaks down protein
What is Chyme?
a very acidic contents that comes from the stomach to the small intestine
What is digestion?
digestion is the process that your body uses to break down large food molecules into smaller molecules
What does your body use the smaller molecules for?
for growth and repair
What are the chemicals called that help the speed of digestion?
enzymes
What is the entrance opening?
the mouth
What is the exit opening?
the anus
What do the salivary glands secrete?
saliva which moistens the food
Does saliva contain enzymes?
yes it does
What the enzymes in the saliva do?
they start to digest the starch in the food
What happens when food is sufficiently chewed?
it is swallowed
The food passes through the to the ?
esophagus and stomach
What does your stomach do during digestion?
your stomach secretes very acidic gastric juices which start to break down the protein in food
After the stomach has done its job, the food travels to the..?
small intestine
What two organs contribute to the digestion in your stomach?
the liver and pancreas
What does the the pancreas produce?
a fluid that neutralizes the acid from the stomach
What does the liver produce?
the liver produces a liquid chemical called bile that breaks down fat
The pancreas produces the fluid. That fluid contains what?
the fluid contains enzymes that help further digest proteins, carbohydrates and fat
Bile is stores where?
bile is stores in the gall bladder until it is needed
What is a signal to the gall bladder to contract and release the bile?
when food enters the small intesine
Where is digestion fully completed?
in the small intestine
From the small intestine, the materials pass into the ...?
large intestine
What happens in the large intestine?
water is reabsorbed and fiber and other wastes that were not digested are stored
Where are the waste materials eliminated?
through the anus
What is in the digestive system?
mouth, salivary glands, epiglottis, esophagus, stomach, liver, gall bladder, pancreas, small intestine, large intestine, rectum, anus
Explain the process of digestion.
needs answer