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34 Cards in this Set

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What absorbs most of the water from the undigested food?
The large intestine
What is the process of breaking down foods into simple substances?
Digestion
chemical substance that helps
control chemical reactions
enzyme
What enzyme does saliva contain?
ptyalin
nutrient that helps maintain the normal functioning of the body is called?
Mineral
What is the physical action of breaking down food into smaller parts?
Mechanical Digestion
organ that produces pancreatic
juice and insulin
pancreas
digestive organ in which most digestion takes place
small intestine
nutrient that is used to build and repair body parts; made of amino acids is called?
Protein
nutrient that helps regulate growth and normal body functioning is called?
Vitamin
Name the enzyme produced by the stomach that digests proteins.
Pepsin
What is the digestion of foods by enzymes, such as ptyalin called?
Chemical Digestion
tube that carries food to the stomach is called what?
The esophagus
The changing of food into simple substances by the action of enzymes is called what?
chemical digestion
organ that produces bile
liver
building block of protein
amino acid
What does a regular exercise
program do?
A regular exercise program will strengthen the heart, help develop better posture, firm up muscles, build a stronger body & help endurance.
Solid wastes are eliminated from the body through an opening at the end of the rectum called what?
The anus
organ in the digestive system
in which water is absorbed and undigested food is stored.
large intestine
What are the six groups of nutrients?
Proteins, carbohydrates, fats,
vitamins, minerals, and water.
energy rich nutrient found in foods such as vegetables and grain products is called?
carbohydrate
What do we call the end of the large intestine?
The rectum.
The enzyme Ptyalin has what function?
Ptyalin breaks down some starches into simple sugars.
The amount of energy needed to raise the temperature of 1 kilogram of water by 1 degree Celsius is called?
calorie
waves of muscular contractions that move food through the digestive system is called what?
peristalsis
Describe the location and function of the epiglottis.
The epiglottis directs air down the respiratory path and food and water down the digestive path. It is located
right above the larynx.
What does gastric juice contain?
Pepsin, hydrochloric acid, and thick slippery mucus
What is the function of the villi?
The villi helps increase the surface area of the small intestine, enabling more digested food to be absorbed faster.
nutrient that supplies the body with energy and also helps support and cushion the vital organs in your body is called?
Fat
Define villus.
Fingerlike structure that lines the small intestine through which food is absorbed
through the bloodstream.
When food leaves the esophagus
it enters a J-shaped organ called what?
The stomach
Where does the digestion of proteins begin?
small intestine
What do the salivary glands
release?
Saliva
usable portion of food
nutrient