Lesson 12 Flashcards
6 basic processes carried out by Digestive System
- ingestion
- propulsion
- mechanical or physical digestion
- chemical digestion
- absorption
- defecation
The Vascular System
carries food molecules through the hepatic portal vein to the liver before distributing them throughout the body
5 important functions of Lymphatic system
- managing the fluid levels in the body.
- reacting to bacteria.
- dealing with cancer cells.
- dealing with cell products that otherwise would result in disease or disorders.
- absorbing some of the fats in our diet from the intestine.
After food is swallowed it is called a….
bolus
Peristalsis
waves of contraction
Most absorption of food occurs in the ____ and ____ through surface of tiny hair like things called ___ and ____
duodenum and jejunum
villi and microvilli
Final absorption of water and salt occur in the….
large intestine
Digestion takes 2 forms..
- mechanical
- chemical
Total transit time from mouth to anus
18-72 hours
Carbs, proteins, lipids, vitamins, minerals are all absorbed through the…
walls of the small intestine
Monosaccharides are the…
simplest form of sugar
Omega 3 fatty acids come in 3 forms:
- ALA
- EPA
- DHA
ALA found in
plants
DHA and EPA found in
egg yolk, cold-water fish, shellfish, salmon, mackerel, cob, crab, shrimp, oysters, tuna
Are trans fats or saturated fats worse?
Trans
