The Dental Hygienists Guide to Nutritional
Care 5th Edition by Cynthia A. Stegeman
The digestive system is designed to
1. ingest food
2. digest or break down complex molecules into simple ones
3. eliminate unused residues
nutrients that must be digested for absorption
The energy-providing nutrients (Carbs, Fats, Proteins) must be absorbed this way.
nutrients that can be absorbed as they're being eaten (mostly)
Most vitamins and minerals, and water can be absorbed this way
alimentary canal
all body parts through which food passes; mouth, pharynx, esophagus, stomach,
small intestine, large intestine.
(unless you have kids, they'll put that stuff anywhere)
30 feet
length of the tubular structure of the alimentary canal
parts of small intestines
duodenum, jejunum, and ileum
, parts of large intestines
cecum, colon, rectum (damn near killed'em)
accessory organs of the alimentary canal
salivary glands, liver, gallbladder, pancreas.
Provide secretions necessary for the digestive process
mechanical actions of digestion
digestive actions that break up and mix food so as to blend better with chemicals.
Chewing, and Peristalsis
chemical actions of digestion
digestive actions that reduce foodstuffs to absorbable molecules
enzymatic action
indicators of peristalsis
stomach growling
peristalsis
when the muscles of your intestines contract to mix food, move food along, and
help break it down further.
taste buds
30-100 receptor cells
where is "bitter" and "poison" detected
flavor detected on the base of the tongue
Care 5th Edition by Cynthia A. Stegeman
The digestive system is designed to
1. ingest food
2. digest or break down complex molecules into simple ones
3. eliminate unused residues
nutrients that must be digested for absorption
The energy-providing nutrients (Carbs, Fats, Proteins) must be absorbed this way.
nutrients that can be absorbed as they're being eaten (mostly)
Most vitamins and minerals, and water can be absorbed this way
alimentary canal
all body parts through which food passes; mouth, pharynx, esophagus, stomach,
small intestine, large intestine.
(unless you have kids, they'll put that stuff anywhere)
30 feet
length of the tubular structure of the alimentary canal
parts of small intestines
duodenum, jejunum, and ileum
, parts of large intestines
cecum, colon, rectum (damn near killed'em)
accessory organs of the alimentary canal
salivary glands, liver, gallbladder, pancreas.
Provide secretions necessary for the digestive process
mechanical actions of digestion
digestive actions that break up and mix food so as to blend better with chemicals.
Chewing, and Peristalsis
chemical actions of digestion
digestive actions that reduce foodstuffs to absorbable molecules
enzymatic action
indicators of peristalsis
stomach growling
peristalsis
when the muscles of your intestines contract to mix food, move food along, and
help break it down further.
taste buds
30-100 receptor cells
where is "bitter" and "poison" detected
flavor detected on the base of the tongue
