WorksheetsHuman Body Systems!
Total questions: 30
Worksheet time: 35mins
Name
Class
Date
1.
How does the skeletal system benefit the digestive system?
a)
It protects organs within the system.
b)
It supplies blood to organs within the system.
c)
It provides oxygen to organs within the system.
d)
It provides nutrients to organs within the system
2.
Which major body system breaks down food to release nutrients needed for energy production?
a)
muscular
b)
digestive
c)
Circulatory
d)
skeletal
3.
Which cell can survive without the help of other cells?
a)
deer
b)
leaf cell
c)
yeast cell
d)
muscle cell
4.
What is part of the digestive system?
a)
Brain
b)
Heart
c)
Stomach
5.
Which best describes a single-celled organism?
a)
A small group of organisms
b)
A small organism with a variety of parts
c)
An organism that is able to carry out all of its life processes
d)
An organism that replies on other organisms
6.
Which is an example of multi-celled organisms?
a)
Bacteria
b)
Amoeba
c)
Crickets
7.
Which body system sends electrical signals to other body systems?
a)
Circulatory system
b)
digestive system
c)
muscular system
d)
nervous system
8.
Which best explains why amoeba are able to survive without specialized cells?
a)
Amoeba are able to survive with the help of specialized cells.
b)
Amoeba are able to survive because they carry out all life functions.
c)
Amoeba are able to survive with the help of other organisms.
9.
Which structures make up the digestive system?
a)
Nose, trachea, lunds
b)
brain, spinal cord, heart
c)
esophagus, stomach, intestines
10.
Which two body systems are most responsible for getting oxygen to cells?
a)
muscular & skeletal
b)
Circulatory & respiratory
c)
respiratory &muscular
d)
circulatory & Skeletal
11.
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?
a)
what the organism eats
b)
how many types of cells are in the organism
c)
size of the cells of the organism
d)
how fast the organism grows
12.
Which two systems work together to help a person stand erect?
a)
Skeletal and muscular
b)
Skeletal and digestive
c)
skeletal and respiratory
d)
skeletal and cardiovascular
13.
Which is a difference between frogs and bacteria?
a)
Frogs are single-celled organisms, while bacteria are multi-celled organisms.
b)
Frogs are multi-celled organisms, while bacteria are single-celled organisms.
c)
Frogs must rely on other single-celled organisms for survival, while bacteria are dependent only on themselves.
14.
What is the main purpose of single-celled organisms?
a)
To reproduce
b)
to survive
c)
to produce food for other organisms
15.
Sarah accidentally touches a hot surface and then quickly pulls her hand away. Which two systems in the human body were involved with her action and reaction?
a)
Nervous and muscular
b)
skeletal and muscular
c)
muscular and respiratory
d)
Nervous and respiratory
16.
Which system moves waste from the digestive system?
a)
Nervous
b)
Muscular
c)
Circulatory
d)
Skeletal
17.
Which statement best summarizes the relationship between the muscular system and the cardiovascular system?
a)
The heart is protected from injury by the breastbone.
b)
Nutrients are carried to the heart through arteries and veins.
c)
Messages are carried by nerves between the brain and the heart.
d)
The heart contracts and expands as it pumps blood throughout the body.
18.
When someone is exercising, which is most likely a function of both the circulatory and respiratory systems?
a)
to provide oxygen to the body
b)
to make the muscles work
c)
to help the body sweat
19.
Which best compares the respiratory system to the circulatory system?
a)
The respiratory system transports oxygen to cells, while the circulatory system provides oxygen for cells.
b)
The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.
c)
The respiratory system rids the body of waste, while the circulatory system breaks down food for cell energy.
d)
The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells.
20.
How are single-celled organisms and multi-celled organisms similar?
a)
Both need food for energy and growth.
b)
Both require the interaction of many cells to survive.
c)
Both have a skeletal system for support.
21.
How are multi-celled organisms different from single-celled organisms?
a)
Multi-celled organisms must obtain energy.
b)
Multi-celled organisms have microscopic body structures.
c)
Multi-celled organisms must reproduce.
d)
Multi-celled organisms have specialized cells to perform life functions.
22.
Why is the digestive system so important for the human body?
a)
It carries away waste products from the place they are created.
b)
It breaks food into nutrients and moves the nutrients into the blood.
c)
It circulates blood to all of the organs.
23.
What is a key component of the nervous system?
a)
Spinal Cord
b)
Trachea
c)
Muscles
d)
Larnyx
24.
The _____________ system protects the cardiovascular system.
a)
Nervous
b)
Muscular
c)
Digestive
d)
Skeletal
25.
An example of a single-celled organism is a(n)
a)
Baby
b)
Amoeba
c)
Plantae
d)
Cactus
26.
Which best describes how single-celled and multicellular organisms are similar?
a)
Both require fresh water to survive.
b)
Both require energy to survive.
27.
The systems that work the closest together are the...
a)
nervous and skeletal
b)
circulatory and respiratory
c)
Muscular and respiratory
d)
Nervous and digestive
28.
All human body systems work together.
a)
True
b)
False
29.
The brain sends signals to the body part by using...
a)
Axon
b)
Nerves
c)
Trachea
d)
Large Intestine
30.
The largest organ in the digestive process is the....
a)
Small Intestine
b)
Large Intestine
c)
Stomach
d)
Gullbladder
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