The Digestive System Answers

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Answers:
The stomach’s gastric juice unravels proteins using:acid
The small intestine receives digestive enzymes from the:pancreas
Saliva is produced in:glands
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bilesalivabloodminerals

A
bile
B
saliva
C
blood
D
minerals
3

tonguestomachpharynxepiglottis

A
tongue
B
stomach
C
pharynx
D
epiglottis
4

lipsesophagusteethpharynx

A
lips
B
esophagus
C
teeth
D
pharynx
5

Which of the following organs are found in the upper gastrointestinal tract? Check all that apply.

A
stomach
B
pancreas
C
small intestine
D
esophagus
E
pharynx
6

The liver stores bile in which of the following organs?

A
pancreas
B
stomach
C
gallbladder
D
small intestine
7

break down food absorb waterregulate body temperatureremove waste

A
break down food
B
absorb water
C
regulate body temperature
D
remove waste
8

What does the large intestine do with indigestible food?

A
converts it to energy
B
expels it as waste
C
absorbs it
D
sends it back to the stomach
9

muscle contractionssalivaacidbile.

A
muscle contractions
B
saliva
C
acid
D
bile
10

Which of the following are nutrients absorbed by the large intestine? Check all that apply.

A
bacteria
B
water
C
saliva
D
sodium
E
vitamins
12

Which organs aid digestion without passing some form of food through them?

A
liver
B
pancreas
C
appendix
D
gallbladder
E
rectum
13

Which of the following organs are found in the lower gastrointestinal tract? Check all that apply.

A
lungs
B
large intestine
C
appendix
D
small intestine
E
tongue
14

How does the pancreas help digestion?

A
It increases the acid level of the stomach.
B
It contracts to help food move through the intestines.
C
It absorbs excess water from food.
D
It secretes enzymes that break down food.
15

growscontractscleans itselfsecretes acid

A
grows
B
contracts
C
cleans itself
D
secretes acid
16

How do friendly bacteria in the colon assist with digestion?

A
They help pass indigestible material to the rectum.
B
They absorb water from feces.
C
They prevent feces from infecting the colon.
D
They consume indigestible particles.
17

large intestinepancreasliveresophagus.

A
large intestine
B
pancreas
C
liver
D
esophagus
18

Which substances does the body absorb as nutrients? Check all that apply.

A
minerals
B
chyme
C
fat
D
bolus
E
carbohydrates
20

proteinfatwatercarbohydrates

A
protein
B
fat
C
water
D
carbohydrates

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The Digestive System Answers — GV 2018 - P.E…