Quiz 3 Flashcards
Primary Organ - Mouth?
Chews food
The pathway of food?
- Mouth
- Pharynx
- Esophagus
- Stomach
- Small Intestines
- Large Intestines
- Rectum
- Anus
Primary Organ - Pharynx?
Passage way for food, air, and liquid
Primary Organ - Esophagus?
Carries food to the stomach.
Primary Organ - Stomach?
Mixes and breaks down food.
Primary Organ - Small Intestines?
Absorbs most nutrients helps digests fats, carbs, and proteins.
Primary Organ - Large Intestines?
Absorbs vitamins, water, and salt.
Primary Organ - Rectum?
Stores feces and forms it.
Primary Organ - Anus?
Feces comes out.
Accessory Organ - Pancreas?
Produces digestive juices that release into small intestines.
Accessory Organ - Liver?
Produces bile, gatekeeper of blood
Accessory Organ - Gallbladder?
Stores bile.
Mechanically?
Chewing of food.
Chemically?
Uses enzymes to breakdown food.
Main steps to digestive process?
- Ingestion
- Digestion
- Movement
- Absorption
- Elimination
Ingestion?
Intake of food through mouth.
Digestion?
Mechanically or chemically breaking down food into their sub units.
Movement?
Food moves along the GI tract.
Absorption?
Movements of nutrients across the GI tract
Elimination?
Removal of indigestible molecules
Layers GI tract - Mucosa?
Innermost layer / produces mucus that protects the lining.
Layers GI tract - Submucosa?
2nd layer loose connective tissue / contains blood vessels and nerves.
Layers GI tract - Muscularis?
3rd layer smooth muscle / move food along GI tract.
Layers GI tract - Serosa?
Outer lining / part of the peritoneum
What’s obesity?
When a person is grossly overweight / has body mass greater than 30.
Anorexia nervosa?
Disorder due to fear of getting fat so the person starves themselves.
Bulimia nervosa?
Disorder where people eat large amounts of food followed by purging to not gain weight.
6 classes of nutrients - Vitamins?
Enzyme helpers.
Ex. Vitamin A, vitamin D
6 classes of nutrients - Proteins?
Meat and dairy.
6 classes of nutrients - Carbohydrates?
White bread, cookies
6 classes of nutrients - Lipids?
Saturated (butter) , unsaturated (nuts) and omega 3 fatty (fish, avocados)
LDL?
Is the bad cholesterol because it carries cholesterol from the liver to cells.
HDL?
Is the good cholesterol because it carries cholesterol to the liver where it’s converted to bike salts.
6 classes of nutrients - Minerals?
Make up components of cells, body fluids and tissues.
Ex. Calcium, sodium
