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5th Grade- Respiratory Excretion
Test Description: 5th grade test
Instructions: Answer all questions to get your test result.
1) what part of your body gets air ready for your lungs?
A
the kidneys
B
the trachea
C
the diaphragm
D
the nose
2) a thick, sticky liquid called mucus is produced by
A
lining of the nose
B
blood vessels
C
hairs of the nose
D
diaphragm
3) the exchange of oxygen for carbon dioxide in the lungs takes place in the
A
trachea
B
bronchial tubes
C
nose
D
air sacs
4) a gas that is produced by the cells as they work, which leaves your body as you breathe out is
A
hydrogen
B
oxygen
C
carbon dioxide
D
nitrogen
5) tiny blood vessels with very thin walls through which oxygen and nutrients can pass are called
A
arteries
B
capilliaries
C
cells
D
veins
6) when red blood cells have given up their oxygen and are traveling back to the heart, their color is
A
green
B
white
C
bright red
D
purple
7) cells release energy by using oxygen to break down
A
plasma
B
sugar
C
carbon dioxide
D
water
8) nutrients are carried in the blood, to the cells by
A
mucus
B
plasma
C
red blood cells
D
oxygen
9) the group of organs that gets rid of cell wastes is called
A
nervous system
B
respiratory system
C
circulatory system
D
excretory system
10) Most of the carbon dioxide produced in the body's cells is carried away by
A
urine
B
sweat
C
plasma
D
kidneys
11) The organs that contain many, many tiny tubes that filter nitrogen wastes from the blood are called
A
kidneys
B
bronchial tubes
C
lungs
D
air sacs
12) the body rids itself of excess water through the kidneys, skin, and the
A
red blood cells
B
lungs/mouth
C
mucus
D
capillaries
13) the process of breathing in is called
A
exhaling
B
inhaling
14) the process of breathing out is called
A
inhaling
B
exhaling
15) Both oxygen and nutrients are carried by red blood cells
A
false
B
true
16) the body needs MORE ENERGY when it is active, so LESS oxygen is required by the cells
A
true
B
false
17) In a healthy person, all of the blood is cleaned by the kidneys 40 times each day
A
true
B
false
18) One reason the body excretes water is to maintain a normal body temperature
A
true
B
false
*select an answer for all questions
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