Eating Flashcards
(33 cards)
A series of hollow organs joined in a long, twisting tube from the mouth to the anus
Digestive System
Inside this tube is a lining called?
Mucosa
Contains tiny glands that produce juice to help digest food
Mucosa
Two Solid Organs
Liver and Pancreas
Produve digestive juice that reach the intestines through small tubes
Liver and pancreas
The process by which food and drink are broken down into their smallest parts so that the body can use them to build and nourish cells and to provide enery
Digestion
(6) Digestive Process
Ingestion
Propulsion
Mechanical Digestion
Chemical Digestion
Absorption
Defecation
Taking in food through the mouth
Ingestion
Movement of Food
Swallowing
Propulsion
Propulsion by alternate contraction & relaxation
Peristalsis
Chewing
Churning in stomach
Mixing by segmentation
Mechanical Digestion
Carbohydrates, fats, and proteins are broken down by enzymes
Chemical Digestion
Transport of digested end products into blood and lymph in wall of canal
Absorption
Elimination of indigestible substances from body as feces
Defecation
Theories of Hunger and Eating
Set-point theory
Glucostatic set-point theory
Lipostatic Set-point theory
Positive-Incentive Perspective
Attributes hunger to a lack of energy
Set-point theory
When you eat, you restore your optimal energy level.
Energy Adjustment Point
People eats until they feel satisfied. They stop eating because they.. —
Restored their set-point
In the mid-twentieth century, believed that people ate to maintain their blood sugar level.
Glucostatic Set-point theory
Each person has a body fat adjustment period
Lipostatic set-point theory
Humans and other animals are not normally motivated to eat by energy deficits, but instead
By the anticipated pleasure of eating
Or the positive-incentive value
This theory hypothesizes that hunger stems from the historical pressures we’ve suffered from the lack of food
Positive-incentive perspective
This person emphasized that emotions and moods influence food consumption
Jaime Silva (2007)
Food can modify
Emotions and moods