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Worksheets5/3-5/12 Science Review
Total questions: 13
Worksheet time: 26mins
Name
Class
Date
1.
Which of the following is a harmful waste material that leaves the blood and travels through the lungs before leaving the body?
a)
CO2 (carbon dioxide)
b)
O2 (oxygen)
c)
H2O (water)
d)
NaCl
2.
Where does oxygen-rich blood go after leaving the lungs?
a)
The brain
b)
They heart
c)
The kidney
d)
The stomach
3.
What is the main organ of the circulatory system?
a)
small intestine
b)
bone
c)
lungs
d)
heart
4.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
5.
All living things are made of...
a)
stuff.
b)
cells.
c)
skin.
d)
stardust.
6.
What does the mouth do?
a)
Break down the food to make it easier to swallow
b)
Slows down jaws
c)
Nothing
d)
Neither
7.
Why is the esophagus/food pipe important?
a)
To swallow food
b)
To choke
c)
To make your breath smelly
d)
None of these
8.
What does the stomach do?
a)
Nothing
b)
Adds digestive juices/acids to the food
c)
Goes out to the rectum
d)
Barley any of these
9.
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)
it connects to your lungs
10.
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
11.
What is the job of the large intestine?
a)
to break down food with acids
b)
to absorb nutrients
c)
to absorb water
d)
to move food to the stomach
12.
The major organ of the urinary system is the...
a)
Gallbladder
b)
Ureter
c)
Kidneys
d)
Nephrons
13.
What is the main function of the urinary/excretory system?
a)
Keep your body hydrated
b)
Removing water from your body
c)
Removing poisons from your body
d)
Removing solid wastes from your body
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