wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Body systems

Total questions: 79

Worksheet time: 39mins

Name
Class
Date
1.

Which set of Organs belongs to the Excretory System?

a)

Heart, blood vessels

b)

Trachea, larynx, pharynx, and lungs

c)

Kidneys, urinary bladder

d)

Brain, spinal column

2.

Which set of organs belong to the Nervous System?

a)

Heart, blood vessels

b)

Kidneys, urinary bladder

c)

Esophagus, stomach, intestines

d)

Brain, spinal column

3.

Which organs belong to the Circulatory System

a)

Heart, blood vessels

b)

Esophagus, stomach

c)

Trachea, larynx, pharynx, lungs

d)

Brain, spinal column

4.

Which organs belong to the Respiratory System?

a)

Bones, cartilage

b)

Cardiac, smooth, skeletal

c)

Trachea, larynx, pharynx, lungs

d)

Kidneys, urinary bladder

5.

What is the purpose of the Circulatory System?

a)

Transports oxygen and nutrients

b)

Removes extra water and wastes

c)

Digests foods and absorbs nutrients

d)

Collects, transfers and processes information

6.

What is the purpose of the Skeletal System?

a)

Transports oxygen and nutrients

b)

Supports and protects the body, creates blood

c)

Movement and heat production

d)

Gas exchange in the body and lungs

7.

What is the purpose of the Nervous System?

a)

Transports oxygen and nutrients

b)

Removes extra water and wastes

c)

Supports and protects the body and produces blood

d)

Collects, transfers and processes information

8.

What is the purpose of the Muscular System?

a)

Movement and heat production

b)

Supports and protects the body and produces blood

c)

Digests food and absorbs nutrients

d)

Transports oxygen and nutrients

9.

Which body system is shown on the left?

a)

Muscular System

b)

Circulatory System

c)

Digestive System

d)

Nervous System

10.

Which level of organization is a heart at?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

11.

Which body system is shown on the right?

a)

Digestive System

b)

Muscular System

c)

Circulatory System

d)

Respiratory System

12.

What are the levels of organization in order?

a)

Cell, Tissue, Organ, Organ System, Organism

b)

Cell, Tissue, Organ, Organ System

c)

Cell, Tissue, Organ, Organism, Organ System

d)

Cell, Organ, Tissue, Organ System, Organism

13.

Which level of organization are you at?

a)

Tissue

b)

Organ

c)

Organ System

d)

Organism

14.

What are organs made up of?

a)

Multiple Organisms

b)

Multiple Tissues

c)

Multiple Organ Systems

15.

What are tissues made up of?

a)

Many Cells

b)

Multiple Organs

c)

Multiple Organ Systems

d)

Multiple Organisms

16.

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

a)

True.

b)

False.

17.

Name the systems related with the process of nutrition.

a)

Digestive, respiratory and circulatory systems.

b)

Digestive, respiratory and excretory systems.

c)

Digestive, respiratory, excretory and circulatory systems

d)

Digestive, excretory and circulatory systems.

18.

The process of reproduction is carried out by the__________ in humans.

a)

Sexual reproduction

b)

Asexual reproduction

c)

Reproductive system

d)

Male and female reproductive systems.

19.

By the way... What is the process of reproduction?

a)

When a baby is born.

b)

It is a process through what living things create new individuals.

c)

It is a process through what a female individual can have a baby.

d)

It is a process in which is necessary a female and a male individual.

20.

Odd one out... Brain, spinal cord, muscles, nerves.

a)

Brain

b)

Spinal cord

c)

Muscles

d)

Nerves

21.
What body system removes the waste from your body? 
a)
Circulatory
b)
Excretory
c)
Digestive
d)
Respiratory
22.
What body system consists of the kidneys?
a)
Circulatory
b)
Excretory
c)
Digestive
d)
Muscular
23.
What body system consists of the heart?
a)
Excretory
b)
Digestive
c)
Circulatory
d)
Respiratory
24.
Muscles help your body _______?
a)
Read
b)
Sit
c)
Sleep
d)
Move
25.
My spinal cord helps _________ travel between my brain and the nerves in my body. 
a)
Memories
b)
Blood
c)
Waste
d)
Messages
26.
My body needs ______ from the air to live. 
a)
Oxygen
b)
Cardon Dioxide
c)
Carbon Monoxide
d)
Hydrogen Peroxide
27.

My small and large ___________ break down the food so my body can use it for energy.

a)

Intestines

b)

Kidneys

c)

Stomach

d)

Bladder

28.

What is the biggest function of the muscular system?

a)

to help digest food

b)

to help us move

c)

to help us breathe

d)

to help us remove waste

29.

What is the biggest function of the respiratory system?

a)

to pump blood

b)

to help us digest food

c)

to take in oxygen and release carbon dioxide

d)

to help us fight disease and infection

30.

Which of the following statements describes the function of the heart?

a)

The heart produces white and red blood cells.

b)

The heart controls the nervous system.

c)

The heart makes oxygen and carbon dioxide.

d)

The heart pumps blood throughout the body.

31.

Which system in the human body functions primarily to supply the blood with oxygen and remove carbon dioxide?

a)

excretory

b)

immune

c)

respiratory

d)

cardiovascular

32.

Which two body systems are primarily responsible for gas exchange between the body and the environment?

a)

skeletal and muscular

b)

circulatory and respiratory

c)

circulatory and digestive

d)

respiratory and excretory

33.

How does the respiratory system depend on the circulatory system in order to function?

a)

The circulatory system brings waste gases to the lungs and exchanges them for oxygen.

b)

The circulatory system provides structural support and protection to the respiratory system.

c)

The circulatory system pushes gases out of the body through the mouth and nose.

d)

The circulatory system sends messages to the lungs so that one can breathe in and out.

34.

How does the circulatory system depend on the skeletal system?

a)

The skeletal system removes carbon dioxide from the circulatory system.

b)

The skeletal system produces blood cells in the bone marrow.

c)

The skeletal system is responsible for voluntary movement.

d)

The skeletal system helps to digest food for the circulatory system.

35.

Which two systems are responsible for voluntary movement?

a)

circulatory and excretory

b)

digestive and circulatory

c)

skeletal and muscular

d)

skeletal and circulatory

36.

What is the most important function of the digestive system?

a)

Gas exchange

b)

Break down food

c)

Voluntary movement

d)

Fight bacteria and disease

37.

How do the skeletal and circulatory systems work together?

a)

The skeletal system produces red blood cells for the circulatory system.

b)

The skeletal system works with the circulatory system to help break down and digest food.

c)

The skeletal system provides structure for the muscles.

d)

The skeletal system protects the lungs and brain.

38.

How do the circulatory and excretory systems work together?

a)

The circulatory system brings nutrients and oxygen so our cells can produce energy.

b)

The circulatory system brings blood to the kidneys to filter and remove waste.

c)

The circulatory system bring white blood cells around the body to fight infection and disease.

d)

The circulatory system helps the excretory system digest food.

39.

How does the immune system depend on the circulatory system in order to function?

a)

The circulatory system produces antibodies used by the immune system.

b)

The circulatory system sends bacteria and viruses to the immune system.

c)

The circulatory system transports immune system cells throughout the body.

d)

The circulatory system protects the immune system from diseases.

40.

Which of the following statements describes the function of the small intestine?

a)

The small intestine transports blood to other organs.

b)

The small intestine helps digest food and absorbs nutrients.

c)

The small intestine releases carbon dioxide from the body.

d)

The small intestine produces cells needed for reproduction.

41.

Which of the following statements describes the function of bones?

a)

Bones store food for later use.

b)

Bones destroy foreign cells.

c)

Bones protect organs in the body.

d)

Bones send instructions to body parts.

42.

Which two systems work together to remove wastes?

a)

digestive and excretory

b)

respiratory and skeletal

c)

skeletal and circulatory

d)

digestive and respiratory

43.

Supports the body and protects important organs.

a)

skeletal system

b)

muscular system

c)

nervous system

d)

digestive system

44.
Antibiotics work against most
a)
Bacteria
b)
Bacteria & Viruses
c)
Vaccines
d)
Viruses
45.
Vaccinations are used for
a)
Curing the illness
b)
Preventing the Illness
c)
Getting the illness
46.
What are the 4 types of pathogens that could cause illness?
a)
animals, bacteria, fungi and plants
b)
bacteria, fungi, nucleus, protist
c)
bacteria, fungi, viruses, protist
d)
bacteria, plants, fungi, protist
47.
What is the main purpose of the immune system?
a)
support the body through bones and muscles
b)
get rid of waste from the body
c)
protect the body from pathogens
d)
move blood through the body
48.
What type of microbe is used in a vaccine?
a)
it doesn't really matter
b)
a damaged one
c)
a weakened or inactivated one
d)
a normal one
49.
What do antibodies attach to on the pathogen?
a)
Anti inflammatory
b)
Antigens
c)
Antiseptic
d)
Antibodies
50.
Vaccines stimulate the body to produce...
a)
autoimmune diseases
b)
helper t-cells
c)
fever
d)
antibodies
51.
Which would most likely prevent a cold virus from spreading in a classroom?
a)
tissue at a teacher's desk
b)
students wash hands regularly with soap 
c)
students shake hands regularly with each other
d)
students wipe desks with dry paper towels
52.
A disease that is harmful to the body and is contagious is called....
a)
Non-Infectious
b)
Infectious
53.
Pathogens are recognized by their...
a)
antigens
b)
antibodies
c)
killer t-cells
d)
B-cells
54.

Which of the following is not a germ?

a)

bacteria

b)

viruses

c)

antibodies

55.

What is the job of the immune system?

a)

help us think

b)

help us move

c)

keep us healthy

56.

The __________system keeps the body healthy.

a)

musculoskeletal

b)

hypothesis

c)

immune

57.

_______________ can make you sick.

a)

Germs

b)

Nutrients

c)

Biodiversity

58.

________ help fight germs.

a)

Infection

b)

Antibodies

c)

Punnett square

59.

___________are very small things that often cause infections.

a)

Vitamins

b)

Viruses

c)

Fever

60.

An ________ occurs when a virus or microorganism enters the body.

a)

infection

b)

ATP

c)

allergies

61.

An increase in body temperature when sick.

a)

infection

b)

fever

c)

skin

62.

Common microscopic organisms.

a)

immune system

b)

viruses

c)

bacteria

63.

The outer covering of the body.

a)

fever

b)

allergies

c)

skin

64.

Proteins that help get rid of infections.

a)

antibodies

b)

skin

c)

allergies

65.

A dangerous immune response to a safe substance.

a)

viruses

b)

allergies

c)

infection

66.

The immune system is made up of ....

a)

a. tissues

b)

c. cells

c)

b. organs

d)

d. all of the above

67.

The purpose of the immune system is to ....

a)

a. help germs invade your body

b)

c. make your nose run

c)

b. fight of sickness

d)

d. give your diarrhea

68.

Leukocytes are found in lots of places, including an organ in your belly that filters blood and help fight infections known as the ....

a)

a. heart

b)

c. kidneys

c)

b. spleen

d)

d. brain

69.

As part of the immune system, white blood cells fight germs. Another name for white blood cells is ....

a)

a. Rhinovirus

b)

c. Glands

c)

b. Leukocytes

d)

d. Nodes

70.

The four main types of germs are ....

a)

a. viruses, bacteria, parasites, and fungi

b)

b. viruses, parasites, fungi, and phagocytes

c)

c. parasites, bacteria, lymphocytes, and fungi

d)

d. small, medium, large, and extra large

71.

Getting these when you're young helps your immune system fight off diseases ....

a)

a. stickers

b)

c. shots (immunizations)

c)

b. bandages

d)

d. cough drops

72.

Lymph nodes are found in the ....

a)

a. neck

b)

c. groin

c)

b. armpits

d)

d. all of the above

73.

When someone's immune system overreacts to something harmless it's called ....

a)

a. overreactus maximus

b)

c. a sneeze

c)

b. an allergy

d)

d. the measles

74.

Which of the following will not help your immune system?

a)

a. playing sports video games

b)

c. eating healthy food

c)

b. exercising

d)

d. regularly washing your hands

75.
Which of the following illness is caused by pathogens?
a)
Bruise
b)
Blood Clot
c)
Diabetes
d)
Influenza
76.
The picture below illustrates one internal part of the body’s immune system. What process is illustrated in the picture?  
a)
a skin cell destroying germs.
b)
inflammation near an opened wound
c)
a white blood cell destroying pathogens
d)
mucus in the lungs destroying pathogens
77.
 Liz notices that shortly after cutting her arm accidentally the area around the cut is turning red and feeling hot.  Which immune system defense is Liz experiencing?  
a)
inflammation
b)
white blood cell clotting
c)
skin
d)
fever
78.
Jorge has a cold but feels well enough to study with his friends Lisa and Jin. Lisa and Jin become sick. Which term describes Jorge’s condition when he was studying with his friends?  
a)
noninfectious
b)
contagious
c)
immune
d)
deadly
79.
The human body has both internal and external defense against disease.  Which of these includes only internal defenses?  
a)
hair and inflammation
b)
white blood cells and sweat
c)
inflammation and white blood cells
d)
skin and mucus