wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

The Circulatory and The Digestive Systems

Total questions: 100

Worksheet time: 2hrs 4mins

Name
Class
Date
1.

The heart is:

a)

responsible for transporting blood to the lungs

b)

responsible for transporting oxygen to the body

c)

responsible for transporting nutrients to the whole body

d)

All of the above

2.

Blood enters the heart through:

a)

atriums

b)

artries

c)

ventricles

d)

all blood vessels

3.

Aorta is responsible for:

a)

transporting poor oxygenated blood to the whole body

b)

transporting high oxygenated blood to the whole body

c)

transporting poor oxygenated blood to the lungs

d)

transporting high oxygenated blood to the lungs

4.

The septum

a)

have thick walls

b)

stores wastes at the end of the large intestine

c)

separates the right part of the heart from the left part of the heart

d)

separates the right atrium from the right ventricle

5.

Poor oxygenated blood enters the heart:

a)

by the pulmonary artery

b)

by the pulmonary vein

c)

by the vena cava

d)

to the left ventricle

6.

Arteries

a)

Have thick walls and the carry the poor oxygenated blood out of the heart except the pulmonary artery that carry high oxygenated blood to the lungs

b)

Have thick walls and the carry the high oxygenated blood out of the heart except the aorta that carries poor oxygenated blood to the lungs

c)

are 8 meters long

d)

Have thick walls and the carry the high oxygenated blood out of the heart except the pulmonary artery that carries poor oxygenated blood to the lungs

7.

White blood cells

a)

cause infections and diseases

b)

are protecting the body from heat

c)

are responsible for immunity and the are the minority of blood cells

d)

are responsible for immunity and the are the majority of blood cells

8.

All white blood cells are produced in the

a)

liver

b)

multipotent cells in the bone marrow

c)

lymphatic cells

d)

hematopoietic tissues

9.

inside the heart, there are:

a)

3 valves

b)

2 valves

c)

4 valves

d)

6 valves

10.

Is responsible for exchanging gases and nutrients with wastes in cells:

a)

arteries

b)

veins

c)

red blood cells

d)

capillaries

11.

the blood vessel that is responsible of carrying blood from the upper parts of the body is:

a)

superior vena cave

b)

pulmonary vein

c)

inferior vena cava

d)

veins

12.

the blood vessel that is responsible of carrying blood from the lower parts of the body is:

a)

superior vena cava

b)

pulmonary vein

c)

inferior vena cave

d)

veins

13.

what keeps blood from flowing back into a chamber of the heart is:

a)

the thick walls of the arteries

b)

valves

c)

septum

d)

blood pressure

14.

platelets are

a)

small colorless desk-shaped cells fragments without nucleuses found in large numbers in blood and involved in clotting

b)

small colorless desk-shaped cells fragments without nucleuses found in large numbers in blood and involved in bleeding

c)

large colorless desk-shaped cells fragments without nucleuses found in large numbers in blood and involved in clotting

d)

large colorless desk-shaped cells fragments without nucleuses found in large numbers in blood and involved in bleeding

15.
What is the first stop in the digestive system?
a)
mouth
b)
esophagus
c)
stomach
d)
small intestine
16.
Your _____ moves food from your mouth to your stomach.
a)
large intestine
b)
small intestine
c)
colon
d)
esophagus
17.
Which organ squeezes and mixes your food into a mushy liquid?
a)
mouth
b)
stomach
c)
large intestine
d)
small intestine
18.
The _______ is the place where your body has its last chance to absorb nutrients and water from the food you have eaten and it is also the place where the leftovers are turned into waste.
a)
mouth
b)
esophagus
c)
small intestine 
d)
large intestine
19.
Which of the following shows the correct digestive process?
a)
stomach, esophagus, small intestine, large intestine, mouth, colon
b)
mouth, esophagus, stomach, large intestine, small intestine, colon
c)
mouth, stomach, esophagus, small intestine, large intestine, colon
d)
mouth, esophagus, stomach, small intestine, large intestine, colon
20.
Blood consists of blood cells and ______.
a)
veins
b)
plasma
c)
pressure
d)
arteries
21.
The ______ is the body's main artery that comes out of the heart with blood full of oxygen.
a)
capillary
b)
vein
c)
aorta
d)
plasma
22.
Capillaries pass ______ is passed to muscles and tissues and your waste is passed back.
a)
carbon dioxide
b)
oxygen
c)
white blood cells
d)
plasma
23.
The alveoli is where ________, that was inhaled, is exchanged for _________, which is exhaled.
a)
food, waste
b)
oxygen, carbon dioxide
c)
oxygen, food
d)
carbon dioxide, oxygen
24.
I break food down into energy for the body
a)
Stomach
b)
Digestive System
c)
Respiratory system
d)
Lungs
25.
Unoxygenated blood enters the right atrium from the top of the heart.
a)
inferior vena cava
b)
superior vena cava
c)
aorta
26.

Valve that blood is forced through from right ventricle into pulmonary arteries.

a)

pulmonary valve

b)

aortic valve

c)

mitral valve

d)

none is correct

27.

Major artery at the top of the heart sends oxygenated blood from the left ventricle to the rest of the body.

a)

aorta

b)

pulmonary artery

c)

inferior vena cava

d)

vena cava

28.

What portion of the heart is supposed to be the most muscular?

a)

upper

b)

lower

c)

septum

d)

all

29.

About how large is the human heart?

a)

the size of an onion

b)

the size of a fist

c)

4.5 pounds

d)

5 kg

30.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
31.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
32.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
33.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
34.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
35.
Identify the structure the arrow is pointing to
a)
Valves
b)
Septum
c)
Pulmonary
d)
Systemic
36.

The heart has multiple sides. How many does it have?

a)

2

b)

3

c)

4

d)

1

37.
These structures carry deoxygenated blood to the heart.
a)
Arteries
b)
Veins
c)
Capillaries
d)
Vena Cava
38.
The heart pumps blood to get ________ to our cells.
a)
carbon dioxide
b)
warlocks
c)
oxygen
39.

What is the arrow pointing to?

a)

pulmonary artery

b)

myocardium

c)

pulmonary vein

d)

aorta

40.

What is the arrow pointing to?

a)

pulmonary artery

b)

myocardium

c)

pulmonary vein

d)

aorta

41.
What does the mouth do?
a)
Break down the food to make it easier to swallow
b)
Slows down jaws
c)
Nothing
d)
Neither
42.
Why is the esophagus/food pipe important?
a)
To swallow food
b)
To choke
c)
To make your breath smelly
d)
None of these
43.
What does the stomach do?
a)
Nothing
b)
Adds digestive juices to the food
c)
Goes out to the rectum
d)
Barley any of these
44.

What happens when the food goes to the small intestine?

a)

nutrients gets into the blood

b)

the food keeps on going

c)

nothing

d)

food is mixed with hydrochloric acid

45.

After the large intestine, what comes next?

a)

Rectum

b)

Toilet

c)

none

d)

anus

46.
Which organ is part of the digestive system?
a)
blood
b)
brain
c)
pancreas
d)
spleen
47.
Mouth to stomach to intestines.  What system helps the digestive system move food until it becomes waste?
a)
circulatory
b)
immune
c)
muscular
d)
skeletal
48.
What is the organ where water is absorbed from the digested food and returned to the bloodstream?
a)
mouth
b)
small intestine 
c)
esophagus
d)
large intestine
49.

Much of the body's waste passes through this part of the digestive system where water is absorbed and unneeded matter is moved out of the body.

a)

Gall Bladder

b)

Pancreas

c)

Small Intestine

d)

Large Intestine

50.

What part of the digestive system aids in the digestion and transports fats and waste?

a)

Mouth

b)

Liver

c)

Stomach

d)

Salivary Glands

51.

Chemical substances occurring in natural processes such as digestion and other body functions are called?

a)

Enzymes

b)

Gastric Juices

c)

Saliva

d)

Nutrients

52.

What does the Pancreas do?

a)

Produces Saliva

b)

Breaks down food

c)

Creates enzymes used by the small intestine

d)

Stores Bile

53.

What is the alimentary canal?

a)

The portion of the digestive system that food travels through.

b)

The portion of the digestive system that food does NOT travel through

c)

The longest portion of the large intestine.

d)

The last part of the small intestine

54.

What organ is responsible for the majority of the absoption that occurs in the digestive system?

a)

large intestine

b)

small intestine

c)

stomach

d)

oral cavity

55.

What accomplishes most of the chemical digestion in the large intestine? As a result of this digestive, gas is produced.

a)

pancreatic enzymes

b)

bile

c)

bacteria

d)

saliva

56.

The small intestine is the longest of the digestive organs. What benefit to body is it that this organ is so long?

a)

It allows the organ to secrete bile which in turn breaks down food

b)

It allows more time for the food to be in the organ which allows more absoption to take place.

c)

It provides more surface area for mucus which helps digested food move more smoothly.

57.

What organ of the alimentary canal is located between the esophagus and the small intestine?

a)

stomach

b)

large intestines

c)

pharynx

d)

salivary glands

58.

What is the function of the esophagus?

a)

moves food by using peristalsis

b)

digesting protein

c)

chemically digests fats and absorbs some vitamins

d)

Absorption of proteins and alcohol

59.

Which of the following is an accessory organ of the digestive system?

a)

stomach

b)

small intestine

c)

esophagus

d)

liver

60.

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

61.

Which organ only stores the bile?

a)

liver

b)

gallbladder

c)

pancrease

62.

Which organ makes bile?

a)

liver

b)

gallbladder

c)

pancreas

63.

Exocrine glands produce fluids that do NOT go into the bloodstream. Endocrine glands produce fluids, usually hormones, that DO go into the bloodstream. Your salivary glands are an example of...

a)

exocrine glands

b)

endocrine glands

c)

both exocrine and endocrine glands

64.
What is an example of chemical breakdown?
a)
Chewing
b)
Saliva
c)
Peristalsis
65.
What is not a function of the digestive system?
a)
Create new foods
b)
Absorb water
c)
Process waste
66.
What begins the process of chemical breakdown?
a)
Liver
b)
Salivary glands
c)
Colon
67.
What starts the process of chemical breakdown?
a)
Saliva
b)
Oxygen
c)
Hydrogen
68.
What produces chemicals that break down fats, starches and proteins?
a)
Pulmonary artery
b)
Pancreas
c)
Pituitary gland 
69.
What stores bile?
a)
Colon
b)
Gall Bladder
c)
Small Intestine
70.
What produces the bile used to break down fats?
a)
Liver
b)
Large Intestine
c)
Mouth
71.
What absorbs water and minerals and holds waste?
a)
Large Intestine (Colon)
b)
Small Intestine
c)
Gall Bladder
72.

the length of the alimentary canal is:

a)

7.5 m

b)

6 m

c)

8 m

d)

8-10 m

73.

the length of the small intestine is:

a)

6 - 8 m

b)

6 m

c)

7.5 m

d)

10 m

74.

the length of the large intestine is:

a)

1 m

b)

6 m

c)

2 m

d)

1.5 m

75.

you have to chew carbohydrates such as rice, bread, pasta, and potato a lot to:

a)

make the broken food full of saliva

b)

break it into smaller pieces

c)

mix saliva with the food

d)

ease the digestion

76.

the place that feces leave the body is:

a)

rectum

b)

anus

c)

large intestine

d)

the colon

77.

The name of the organ that produces enzymes for the small intestine

a)

liver

b)

pancreas

c)

gall bladder

d)

stomach

78.

the heart beats for:

a)

0.4 second and rests for 0.4 second

b)

0.3 second and rests for 0.3 second

c)

0.5 second and rests for 0.5 second

d)

1 second and rests for 1 second

79.

Food stays in the stomach between:

a)

6-8 hours

b)

2-3 hours

c)

1 hour

d)

4 hours

80.

The chemical in the stomach the kills bacteria is:

a)

Acids

b)

Hydrochloric Acid

c)

Enzyms

d)

White blood cells

81.

You should not sleep after having food because:

a)

your mucus might reflux and you will have acidity

b)

the blood stream will be weak

c)

your heart will beat less

d)

that affects digestion badly

82.

You should not drink a lot of water after having food because:

a)

enzymes will not work well

b)

the concentration of the acid will be less

c)

food will float

d)

digestion will be slower

83.

bile is

a)

an acid

b)

an alkali

c)

responsible for digesting carbohydrates

d)

a white liquid

84.

which is responsible for carrying oxygen in blood?

a)

red blood cells

b)

plasma

c)

hemoglobin

d)

white blood cells

85.

the function of plasma

a)

carrying proteins, hormones and nutrients to the parts of the body that need it

b)

carrying salts to the parts of the body that need it

c)

carrying proteins to the parts of the body that need it

d)

carrying nutrients and enzymes to the parts of the body that need it

86.

the color of the liver is:

a)

dark red

b)

reddish brown

c)

reddish

d)

reddish grey

87.

food is being absorbed into blood in:

a)

liver

b)

the stomach

c)

the large intestine

d)

the small intestine

88.

while digestion, carbohydrates are broke down into:

a)

fatty acids

b)

amino acids

c)

sugar

d)

startch

89.

Fat is broken down into:

a)

sugar

b)

amino acids

c)

proteins

d)

fatty acids

90.

protein is broken down into:

a)

starch

b)

amino acids

c)

fatty acids

d)

sugar

91.

Enzymes made by the pancreas work best in :

a)

the day time

b)

hot environment

c)

acidic environment

d)

alkali environment

92.

all arteries carry high oxygenated blood out of the hear except:

a)

the pulmonary vein

b)

the aorta

c)

the pulmonary artery

d)

the vena cava

93.

All the veins carry poor oxygenated blood to the heart except:

a)

the aorta

b)

the vena cave

c)

the pulmonary artery

d)

the pulmonary vein

94.

Sports are good for your digestive system:

a)

before having food

b)

after having food

c)

this is not correct

d)

because that move your stomach and small intestine

95.

your body has:

a)

6 liters of blood

b)

7 liters of blood

c)

8 liters of blood

d)

5 liters of blood

96.

The liver is located:

a)

under the heart to the left

b)

above the stomach

c)

under the stomach to the right

d)

under the stomach to the left

97.

the pancreas is located:

a)

above the stomach

b)

under the stomach to the right

c)

under the stomach to the left

d)

next to the gall bladder

98.

Your heart beats:

a)

70-100 beats a minute

b)

100 beats a minute

c)

50 beats a minute

d)

50-70 beats a minute

99.

the color of the pancreas is:

a)

white

b)

reddish brown

c)

creamy

d)

yellow

100.

The main function of the digestive system is:

a)

providing the body with energy

b)

breaking down the food and providing the body with energy and nutrients

c)

breaking down the food and providing the body with sugar and nutrients

d)

breaking down the food and providing the body with energy