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Body Systems Part 3: Digestive & Excretory Systems

Total questions: 51

Worksheet time: 2hrs 42mins

Name
Class
Date
1.
The function of the digestive system is
a)
Breakdown foods
b)
Absorb nutrients
c)
Eliminate waste
d)
All of the above
2.
The mouth has 2 different types of digestion.  They are
a)
Physical and Elemental
b)
Mechanical and heat
c)
Mechanical and chemical
d)
Acidic and motion
3.
Digestion starts in the 
a)
Mouth 
b)
Esophagus
c)
Stomach 
d)
Intestine
4.
Salvia breaks down food using
a)
Mechanical digestion
b)
Acidic digestion
c)
Chemical digestion
d)
None of the above
5.
An example of mechanical digestion is 
a)
Digestive acids in the stomach breaking down food
b)
Teeth chomping food up into smaller pieces
c)
Salvia in the mouth making the food taste sweet
d)
The liver as it produces bile and breaks down fat particles
6.
The tube that connects the mouth to the stomach (number 2 in the diagram) is called the
a)
Epiglotis
b)
Esophagus
c)
Entry
d)
Elimination tube
7.
Which organ absorbs most of the nutrients using small fingerlike structures called villi?
a)
Gall Bladder
b)
Pancreas
c)
Large Intestine
d)
Small Intestine
8.
Which organ absorbs water and is the last stage of the digestive process.
a)
Gall Bladder
b)
Pancreas
c)
Large Intestine
d)
Small Intestine
9.

Which organ breaks down food mechanically and chemically and is labeled number 3 in the diagram?

a)

Liver

b)

Pancreas

c)

Gall Bladder

d)

Stomach

10.

The large intestine is longer than the small intestine and that is how it gets its name.

a)

True

b)

False

11.

Chemical digestion starts in the mouth due to

a)

Chewing

b)

Saliva

c)

Air

d)

Chemical digestion does not happen in the mouth

12.

The tiny little structures that line the small intestine are called

a)

Fingers

b)

bile

c)

Acid

d)

Villi

13.

Which organ releases digestive enzymes into the small intestine?

a)

pancreas

b)

small intestine

c)

esophagus

d)

salivary glands

14.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, stomach, esophagus, small intestine, large intestine

d)

mouth, stomach, esophagus, large intestine, small intestine

15.

Which organ stores and releases bile?

a)

liver

b)

gallbladder

c)

pancreas

16.

Which organ makes bile?

a)

liver

b)

gallbladder

c)

pancreas

17.

Structure 16 is the

a)

pancreas

b)

salivary glands

c)

larynx

d)

esophagus

18.

Structure 4 is the

a)

pancreas

b)

liver

c)

stomach

d)

gall bladder

19.

Structure 17 is the

a)

pancreas

b)

liver

c)

stomach

d)

gall bladder

20.

Structure 5 is the

a)

pancreas

b)

appendix

c)

salivary gland

d)

gall bladder

21.

Structure 20 is the

a)

pancreas

b)

stomach

c)

large intestine

d)

small intestine

22.

Structure 8 is the

a)

pancreas

b)

stomach

c)

large intestine

d)

small intestine

23.

Structure 22 is the

a)

anus

b)

rectum

c)

large intestine

d)

small intestine

24.

What organ is responsible for the absorption of water and movement of waste?

a)

large intestine

b)

small intestine

c)

stomach

d)

oral cavity

25.

The mouth carries out

a)

mechanical digestion

b)

chemical digestion

c)

mechanical and chemical digestion

d)

No digestion

26.
What churns food and breaks it down further using strong acids?
a)
Stomach
b)
Salivary glands
c)
Liver
27.
Bile is made by which digestive organ?
a)
Gallbladder
b)
Stomach
c)
Rectum
d)
Liver
28.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
29.
Food does not pass through which of the following? 
a)
stomach
b)
liver
c)
esophagus
d)
mouth
30.

This produces digestive juices that help to further break down the food in the small Intestine. It also produces insulin.

a)

Stomach

b)

Liver

c)

Gall Bladder

d)

Pancreas

31.
How do digested nutrients get to the body cells?
a)
Nutrients are absorbed through the mouth directly into the body cells
b)
Nutrients are absorbed through the villi in the small intestine into the blood stream
c)
Nutrients are absorbed by the large intestine and changed into vitamins
d)
Nutrients are absorbed directly through the stomach into the body cells
32.
What is the main function of the excretory system?
a)
to collect and remove wastes from the body
b)
to strengthen skeletal muscles
c)
to protect the nervous system
d)
to bring oxygen to body cells
33.
Which organ of the excretory system stores urine until the body is ready to eliminate it?
a)
ureters
b)
urethra
c)
urinary bladder
d)
urea
34.
Tiny filtering structures where urine is produced in the kidneys are called
a)
ureters.
b)
alveoli.
c)
nephrons.
d)
bronchi.
35.
Under normal conditions, which of the following substances is found in urine?
a)
blood cells
b)
protein
c)
glucose
d)
urea
36.
In which excretory organ is urea produced?
a)
skin
b)
liver
c)
kidneys
d)
lungs
37.

Which excretory organ eliminates water and some salt in sweat?

a)
lungs
b)
skin
c)
liver
d)
kidneys
38.
What term do scientists use to describe the chemical process in which oxygen and glucose react to release energy inside body cells?
a)
respiration
b)
exhaling
c)
breathing
d)
inhaling
39.
What function do the kidneys perform?
a)
eliminate carbon dioxide
b)
supply oxygen to body cells
c)

remove urea, excess water, balance water & salt

d)
play a role in gas exchange
40.
The process of removal of the body’s wastes is called
a)
gas exchange.
b)
respiration.
c)
excretion.
d)
filtration.
41.
Organs of excretion that maintain homeostasis include the kidneys, lungs, skin, and
a)
bronchus.
b)
diaphragm.
c)
bladder.
d)
liver.
42.
Using the picture, what is the structure of A?
a)
ureter
b)
kidney
c)
urinary bladder
d)
urethra
43.
Using the picture, what is the function of structure A?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
44.
Using the picture, what is the function of structure B?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
45.
Using the picture, what is the function of structure C?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
46.
Using the picture, what is the function of structure D?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
47.
Use the diagram, what is structure B?
a)
urethra
b)
kidney
c)
ureter
d)
urinary bladder
48.
Use the diagram, what is structure C?
a)
urethra
b)
kidney
c)
ureter
d)
urinary bladder
49.
Use the diagram, what is structure D?
a)
urethra
b)
kidney
c)
ureter
d)
urinary bladder
50.
Tiny filtering structures where urine is produced in the kidneys are called
a)
ureters.
b)
alveoli.
c)
nephrons.
d)
bronchi.
51.
Organs of excretion that maintain homeostasis include the kidneys, lungs, skin, and
a)
bronchus.
b)
diaphragm.
c)
bladder.
d)
liver.

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