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The Digestive Process
Test Description: Basic digestion questions
Instructions: Answer all questions to get your test result.
1) Where does digestion start?
A
the mouth
B
small intestine
C
The stomach
D
large intestine
2) What action in the mouth is chemical digestion?
A
saliva moistening food
B
absorption of nutrients
C
Teeth chewing food
D
enzymes in the saliva breaks down starches
3) Which is true about digestion in the stomach?
A
There are only physical changes occurring in the stomach.
B
The muscles churning the food is a physical change. The acid/enzymes is a chemical change.
C
There are only chemical changes occurring in the stomach.
D
The muscles churning the food is a chemical change. The acid/enzymes is a physical change.
4) Where does most of the nutrient absorption happen in the body?
A
Small Intestine
B
Stomach
C
Mouth
D
Large Intestine
5) What happens in the large intestine?
A
urine is formed
B
enzymes break down food into nutrients.
C
Food is churned into smaller pieces.
D
Excess water is absorbed
6) Which part of the digestive tract only has mechanical digestion occurring?
A
small intestine
B
large intestine
C
mouth
D
stomach
7) What is the name for the muscle contractions that pushes food through the digestive system?
A
enzyme action
B
capillary action
C
peristalsis
D
villi
8) Which is NOT an example of a chemical change?
A
crushing a cracker
B
burning logs in a fire
C
mixing baking soda and vinegar to create carbon dioxide
D
baking a cake
9) How does the liver help the process of digestion?
A
It is not part of the digestive system
B
It creates bile which breaks down fats
C
It pushes the food through the digestive system
D
It squeezes the food into smaller pieces.
10) Which is not a function of the digestive system?
A
eliminate wastes
B
absorb nutrients
C
circulate blood
D
break down food
11) What is the energy transformation during digestion?
A
thermal to radiant
B
thermal to chemical
C
chemical to thermal
D
radiant to thermal
*select an answer for all questions
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