WorksheetsHuman Body
Total questions: 45
Worksheet time: 41mins
Name
Class
Date
1.
What is the strongest muscle?
a)
ear
b)
nose
c)
heart
d)
thihg
2.
Which best explains why both cats and humans are multicellular organisms?
a)
They get energy from many
food sources.
b)
They get energy from a
single food source.
c)
They need only one cell to
meet their basic needs.
d)
They need many cells
working together to meet their basic needs.
3.
Fungi and bacteria are both single-celled organisms. What do they most likely have in common?
a)
Both fungi and bacteria are
large organisms.
b)
Both fungi and bacteria can
carry out all life functions in their one cell.
c)
Both fungi and bacteria
need sunlight and nutrients from the soil to be able to grow.
d)
Both fungi and bacteria are
highly specialized to do only one job so they must work with other cells to
obtain food.
4.
Fish are multi-celled organisms with specialized cells. What would most likely happen if their specialized cells did not function properly?
a)
The fish would decrease in
size.
b)
The fish would increase in
size.
c)
The fish would die.
d)
The fish would move to a
different habitat.
5.
An organism can only be seen through a microscope. Which is most likely true of that organism?
a)
It is a plant.
b)
It is an animal.
c)
It is multicellular.
d)
It is single-cellular.
6.
How does an ant benefit from being a multicellular organism?
a)
Ants have one specialized
cell that performs a variety of tasks necessary for life.
b)
Ants perform a variety of
tasks to be able to survive so they need many specialized cells.
c)
Ants have one type of cell
and this cell performs the same task to help them survive.
d)
Ants are small organisms
but depend on only two different types of cells to help them survive.
7.
Whitney 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 circulatory
c)
nervous and respiratory
d)
muscular and respiratory
8.
Which best describes the relationship between the skeletal system and the circulatory system?
a)
The skeletal system
transports red blood cells after the circulatory system produces them.
b)
The skeletal system
protects red blood cells and the circulatory system pumps those cells through
veins and arteries.
c)
The skeletal system
produces red blood cells and the circulatory system transports those cells
where they need to go.
d)
The skeletal system helps
put oxygen in red blood cells and the circulatory system helps those cells rid
the body of carbon dioxide.
9.
Which two human body systems work closely together to distribute nutrients from food throughout the body?
a)
muscular and skeletal
b)
digestive and circulatory
c)
circulatory and respiratory
d)
cardiovascular and
digestive
10.
How does the skeletal system benefit the nervous system?
a)
It protects the lungs.
b)
It protects the heart.
c)
It protects the brain and spinal cord.
d)
It protects the esophagus and stomach.
11.
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
provides oxygen for cells, while the circulatory system transports oxygen to
cells.
c)
The respiratory system
breaks down food for cell energy, while the circulatory system rids the body of
waste.
d)
The respiratory system rids
the body of waste, while the circulatory system breaks down food for cell
energy.
12.
How does the skeletal system benefit the nervous system?
a)
It protects the lungs.
b)
It protects the heart.
c)
It protects the brain and spinal cord.
d)
It protects the esophagus and stomach.
13.
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 provides oxygen for cells, while the circulatory system transports oxygen to cells.
c)
The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.
d)
The respiratory system rids the body of waste, while the circulatory system breaks down food for cell energy.
14.
Which system are the lungs in?
a)
respiratory
b)
digestive
c)
excretory
15.
Which system is the stomach in?
a)
respiratory
b)
digestive
c)
nervous
16.
Which system is the esophagus in?
a)
digestive
b)
urinary
c)
integumentary
17.
What blood vessels take blood away from the heart after oxygen is addels
a)
veins
b)
arteries
c)
capillaries
18.
which organ is not part of the respiratory system?
a)
nose
b)
pancreas
c)
trachea
19.
What is the main function of the respiratory system?
a)
take in oxygen and exhale waste like carbon dioxide
b)
move nutrients throughout the body
c)
take in carbon dioxide and exhale oxygen
20.
Where does digestion start?
a)
stomach
b)
mouth
c)
esophagus
21.
What is the main job of the digestive system?
a)
break down foods into nutrients that can be used by the body
b)
take in oxygen and exhale waste like caron dioxide
c)
pump blood throughout the body
22.
What is the main job of the digestive system?
a)
break down foods into nutrients that can be used by the body
b)
take in oxygen and exhale waste like caron dioxide
c)
pump blood throughout the body
23.
What is the largest organ?
a)
Heart
b)
Lungs
c)
Skin
24.
Smooth and Cardiac muscles are both
a)
voluntary
b)
involuntary
25.
Which systems main function is to allow movement of the body?
a)
muscular
b)
digestive
c)
skeletal
26.
What is NOT a component of blood?
a)
platelets
b)
bone marrow
c)
plasma
27.
When you get a sunburn, you are burning which layer of your skin?
a)
dermis
b)
epidermis
c)
subcutaneous layer
28.
Which system is the heart in?
a)
Circulatory/Cardivascular
b)
Digestive
c)
Respiratory
d)
Nervous
29.
Which organ system carries oxygen through the body?
a)
Circulatory
b)
Respiratory
c)
Digestive
d)
Skeletal
30.
The esophagus, stomach, small and large intestines, gall bladder, pancreas, and liver are all a part of which body system?
a)
digestive
b)
circulatory
c)
excretory
d)
nervous
31.
The muscular system provides ______ for the body
a)
oxygen
b)
energy
c)
movement
d)
structure
32.
Which body system's primary functions are to keep out microbes and viruses?
a)
immune
b)
circulatory
c)
respiratory
d)
excretory
33.
Which body system causes eyes to blink?
a)
nervous
b)
muscular
c)
circulatory
d)
integumentary (skin)
34.
When your body's temperature begins to rise, your body can maintain homeostasis by _________________.
a)
sweating
b)
shivering
c)
bleeding
d)
sleeping
35.
During breathing, which gas is taken in by the lungs and then carried to cells via the bloodstream?
a)
carbon dioxide
b)
oxygen
c)
helium
d)
nitrogen
36.
Which organs are responsible for bringing oxygen into the body and transferring it into the bloodstream?
a)
Heart
b)
Kidney
c)
Liver
d)
Lungs
37.
If Susie accidentally touches a hot stove, which system does she rely on to tell her to pull her hand away?
a)
Integumentary (Skin)
b)
Skeletal
c)
Nervous
d)
Circulatory
38.
Which body system protects some of the internal organs, such as the heart and lungs, from physical injury?
a)
Muscular
b)
Nervous
c)
Excretory
d)
Skeletal
39.
Which two systems work together to provide cells with oxygen and remove carbon dioxide from them?
a)
nervous and excretory
b)
nervous and circulatory
c)
respiratory and excretory
d)
respiratory and circulatory
40.
Identify the human body system that is made up of the kidneys, ureters, bladder, and urethra.
a)
Excretory
b)
Digestive
c)
Circulatory
d)
Endocrine
41.
Muscles need...
a)
oxygen
b)
lotion
c)
kindness
d)
none of these
42.
The skeleton provides _______ for the human body.
a)
food
b)
fun
c)
no movement
d)
protection
43.
What does the cranium protect?
a)
lungs
b)
brain
c)
heart
d)
legs
44.
How many bones in the human body?
a)
206
b)
200
c)
106
d)
306
45.
The three types of muscles are...
a)
smooth, soft, rough
b)
striped, cardiac, soft
c)
cardiac, smooth, skeletal
d)
skeletal, soft, fibers
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