Chapter 15 Digestion Flashcards
What carbohydrate helps your digestive system function even though your body cannot digest it?
Fiber
About how much water does the human body normally need in a day?
two liters
In what part of the body does most chemical digestion take place?
small intestine
Name the six nutrients needed by the body.
Carbohydrates
Fats
Proteins
Vitamins
Minerals
Water
Which nutrient is needed in order for all body processes to take place?
water
What structure(s) enable(s) the small intestine to absorb large amounts of nutrients?
villi
Know the 3 main functions of the digestive system
absorbing food molecules into the blood
eliminating undigested wastes from the body
breaking down food into molecules that the body can use
One role of fats is to
form part of the cell membrane.
A calorie is a unit used to measure
energy
What is one process that takes place in the large intestine?
Water is absorbed from undigested food.
About how much of a human’s body weight is made up of water?
65 percent
What substance must be present in the stomach for pepsin to work best?
hydrochloric acid
What substance in the mouth contains an enzyme that begins chemical digestion?
saliva
What process involves muscle contractions that move food through the esophagus?
peristalsis
The amount of energy required to raise the temperature of one gram of water by one Celsius degree is called a
calorie.
What is the stucture labled A
esophagus
What is the stuctue labled B?
stomach
What is the structure labled C
Pancreas
What is the structure labled D
Rectum
What is the structure labled E
Small Intestines
What is the structure labled F
Large Intestines
Identify organ B
Pancreas
Identify organ D
gallbladder
Identify organ A
Liver
