wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Science Digestive and Excretory Systems

Total questions: 69

Worksheet time: 35mins

Name
Class
Date
1.

Which of the processes is the beginning step in the digestive system?

a)

Chewing breaks food into smaller parts

b)

moves through the esophagus and enters stomach

c)

particles of food and water are absorbed into the bloodstream while in the small intestine

d)

the large intestine receives food that has not been digested; travels through to rectum and is expelled

2.

The ___________ system removes solid, liquid, and gas waste materials from the body.

a)

excretory

b)

endocrine

c)

digestive

d)

skeletal system

3.

The excretory system includes the lungs, _______, liver, kidneys, bladder, and rectum.

a)

large intestine

b)

stomach

c)

esophagus

d)

skin

4.

The lungs remove carbon dioxide and excess water vapor when you ________________.

a)

breathe in

b)

breathe out

c)

breathe over there

d)

stop breathing?

5.

The skin removes water and salt when you _________.

a)

sweat

b)

breathe

c)

eat

d)

wash your clothes

6.

The _________ removes waste from the blood.

a)

kidneys

b)

liver

c)

pancreas

d)

chloroplasts

7.

The kidneys remove urea in the body, making __________.

a)

ureters

b)

urine

c)

urethra

d)

cytoplasm

8.

The kidneys remove urea in the body, making __________.

a)

ureters

b)

urine

c)

urethra

d)

cytoplasm

9.

The __________ stores feces until it moves out of the body.

a)

rectum

b)

small intestine

c)

cell wall

d)

bladder

10.

How does food go down the esophagus?

a)

falls down

b)

guided down by muscular contractions

c)

shoots down

11.

What filters the liquid waste from your bloodstream?

a)

liver

b)

colon

c)

kidneys

12.

What is it called when acid from the stomach seeps upward into the esophagus?

a)

acid reflux or heartburn

b)

vomiting

c)

lactose intolerant

13.

What is called when a person is unable to get rid of solid waste for a long period of time?

a)

diarrhea

b)

constipation

c)

vomiting

14.

The organ S in the picture is called ....

a)

small intestine

b)

gallbladder

c)

appendix

d)

large intestine

15.

The enzyme that is used in the organ P is ....

a)

ptyalin

b)

pepsin

c)

bile

d)

renin

16.

The name of organ R is ..., it produces an enzyme named ....

a)

liver, bile

b)

heart, bile

c)

stomach, pepsin

d)

stomach, ptyalin

17.

A gland below the stomach which makes amylase, trypsin, and lipase is ....

a)

liver

b)

pancreas

c)

appendix

d)

rectum

18.

A small sec below the liver to store and release bile into the small intestine is ....

a)

pancreas

b)

liver

c)

gallbladder

d)

anus

19.

The enzyme that break down the protein into pepton is called ....

a)

pepsin

b)

renin

c)

ptyalin

d)

acid

20.

To absorb food nutrients is the function of organ number ....

a)

4

b)

5

c)

6

d)

7

21.

A large organ to neutralize the toxin is on number ....

a)

3

b)

5

c)

6

d)

7

22.

The long tube between mouth and stomach is called ....

a)

trachea

b)

windpipe

c)

esophagus

d)

bronchus

23.

The digestive process happened in organ P

a)

chemical

b)

mechanical

c)

both of chemical and mechanical

24.

The correct order of digestive process is in number ....

a)

1

b)

2

c)

3

d)

4

25.
The process by which the body breaks down food so that it can be used for energy.
a)
composition
b)
digestion
c)
deposition
d)
absorption
26.
A long folded tube inside the body attached to the stomach where nutrients in the food are absorbed.
a)
large intestine
b)
small intestine
c)
esophagus
d)
rectum
27.
The opening at the end of the digestive track where feces exits the body.
a)
large intestine
b)
small intestine
c)
rectum
d)
anus
28.
A muscular tube that helps move food from the mouth to the stomach.
a)
esophagus
b)
trachaea
c)
small intestine
d)
gall bladder
29.
Part of the digestive system that takes food into the body.
a)
esophagus
b)
mouth
c)
rectum 
d)
anus
30.
The tube after the small intestine where the liquid is absorbed.
a)
large intestine
b)
small intestine
c)
rectum
d)
stomach
31.
a)
pancreas
b)
esophagus
c)
stomach
d)
liver
32.
a)
esophagus
b)
liver
c)
stomach
d)
pancreas
33.
a)
stomach
b)
pancreas
c)
large intestine
d)
small intestine
34.
a)
large intestine
b)
small intestine
c)
rectum
d)
esophagus
35.

The digestive system makes food into _____.

a)

water

b)

energy

c)

intestines

36.

The mouth, teeth, and tongue _____ food.

a)

chew

b)

digest

c)

stomach

37.

The _____ makes food into a liquid.

a)

esophagus

b)

water

c)

stomach

38.

The intestines take the _____ from the food.

a)

nutrients

b)

tongue

c)

teeth

39.

The _____ is the first part of the digestive system.

a)

large intestine

b)

stomach

c)

mouth

40.

Nutrients from food help the body _____ and stay healthy.

a)

liquid

b)

grow

c)

digestive system

41.

The _____ brings food from the mouth to the stomach.

a)

esophagus

b)

mouth

c)

stomach

42.

Liquid from the stomach goes into the _____.

a)

food

b)

esophagus

c)

intestines

43.

_____ is the part of food the body does not need.

a)

grow

b)

waste

c)

nutrients

44.

The _____ tastes food.

a)

teeth

b)

tongue

c)

stomach

45.

This disease makes people difficult in passing feces.

This happens because of the lack of fiber.

The name of the disease is ....

a)

typhoid

b)

diarrhea

c)

gastritis

d)

constipation

46.

What is the excretory system?

a)

It is the system that allows you to breath.

b)

It is the system that eliminates waste substances from the blood. The organism produces these substances when it functions.

c)

It is a system that keeps the waste in our bodies.

47.

What are the organs that form the excretory system?

a)

The kidneys, the bladder and the mouth.

b)

The ureters, the nouse, the bladder and the urethra.

c)

The kidneys, the ureters, the bladder and the urethra.

48.

True or false... the excretory system is part of the digestive system.

a)

True.

b)

False.

49.

Excretion takes place in the excretory system

a)

true

b)

false

50.

Excretion consist of obtaining waste prodructos from the blood.

a)

true

b)

false

51.

The excretion´s organs are...

a)

kidneys, ureter, stomach and bladder.

b)

kidneys, ureters, bladder and urethra

52.

Sweat consists of ...

a)

water and mireals

b)

water and food

c)

water and waste products

d)

water, salt minerals and waste products

53.

sweat is produced to...

a)

keep our body cool

b)

keep our body warm

c)

keep our body clean

d)

keep our body dirty

54.
What organ is D pointing to?
a)
Ureters
b)
Bladder
c)
Urethra
d)
Kidney
55.
What organ is C pointing to?
a)
Ureters
b)
Bladder
c)
Kidney
d)
Urethra
56.
What organ is B pointing to?
a)
Kidney
b)
Urethra
c)
Ureter
d)
Bladder
57.
What organ is 1 pointing to?
a)
Kidney
b)
Urethra
c)
Bladder
d)
Ureter
58.

What is the main function of the excretory system?

a)

to collect and eliminate waste products from the body

b)

to strengthen skeletal muscles

c)

to separate nutrients and waste from the food

d)

to bring oxygen to body cells and eliminate carbon dioxide

59.

Which organ collects urine until the body is ready to eliminate it?

a)

Ureters

b)

Urethra

c)

Bladder

d)

Kidneys

60.

What function do the kidneys perform?

a)

Eliminate carbon dioxide

b)

Give oxygen to body cells

c)

Clean waste from the blood

d)

Digest food

61.

The process of removal of the body’s wastes is called...

a)

gas exchange

b)

respiration

c)

excretion

d)

filtration

62.

After going through the kidneys, the waste combines with water to make...

a)

urine

b)

sweat

c)

toilet

d)

tears

63.

Our body also eliminates waste through the skin.

a)

True

b)

False

64.

The liquid waste our body eliminates through the skin is called...

a)

tears

b)

urine

c)

sweat

d)

poo

65.
What is the function of the Digestive System?
a)
break down food into nutrients and gets rid of waste
b)
takes in oxygen and releases carbon dioxide
c)
sends messages to your body
d)
provides a structure and support for your body
66.
What helps to lubricate your food so that it can go down your esophagus?
a)
mouth
b)
teeth
c)
saliva
d)
none of the above
67.
Humans cannot digest food without the aid of small single-celled organisms that live in our digestive tract. Which common name is associated with these single-celled organisms that help humans digest food?
a)
algae
b)
bacteria
c)
protozoa
d)
virus
68.

which of the following is not digestive organ

a)

mouth

b)

throat

c)

heart

d)

stomach

69.

the digestion in stomach belongs to........digestion.

a)

chemical

b)

mechanical

c)

squeeze

d)

biological