Digestion 1
Where does digestion begin?
In the mouth
A substance with enzymes, released by glands in the mouth and helps break down food
Saliva
Name the 3 macronutrients/biomolecules that yield energy
proteins
fats
carbohydrates
A long tube where food passes from the mouth to the stomach
esophagus
The majority of nutrient absorption happens here
small intestine
Finger-like projections in the small intestine that help absorb nutrients
villi
Food goes from the stomach to this digestive organ
small intestine
Name the micronutrients
Vitamins & Minerals
What is the acid found in the stomach?
HCl
An expert in food and nutrition
What/Who is a dietitian
Length of the intestines
What is 15-30ft?
Enzyme that assists with the digestion of protein
What is pepsin?
Other than HCl, the gastric gland produces what substance which insulates and protects the stomach lining?
mucus
Some examples are potatoes, rice, and corn
What are carbohydrates?
Enzyme that assists with the digestion of carbohydrates
What is amylase
Enzyme that assists with the digestion of fat
What is lipase
smaller units of protein
What are amino acids?
This organ is responsible for drying and storage
What is the large intestine?
The organ responsible for making bile
What is the liver?
A nutrient needed for growth and tissue repair
What are proteins?
Storage area for bile
What is the gall bladder?
Liquid, churned food that leaves the stomach
What is chyme?
organ that releases enzymes into the small intestine
What is the pancreas?
soft mass of chewed food and saliva
What is a bolus
wave-like squeezing of muscles that pushed food downward
What is peristalsis?