Digestive System 2
Terms
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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