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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 nose
D
the diaphragm
2) a thick, sticky liquid called mucus is produced by
A
lining of the nose
B
hairs of the nose
C
blood vessels
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
oxygen
B
hydrogen
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
cells
C
capilliaries
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
purple
C
white
D
bright red
7) cells release energy by using oxygen to break down
A
water
B
carbon dioxide
C
sugar
D
plasma
8) nutrients are carried in the blood, to the cells by
A
plasma
B
red blood cells
C
mucus
D
oxygen
9) the group of organs that gets rid of cell wastes is called
A
respiratory system
B
circulatory system
C
nervous system
D
excretory system
10) Most of the carbon dioxide produced in the body's cells is carried away by
A
plasma
B
kidneys
C
sweat
D
urine
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
mucus
B
capillaries
C
red blood cells
D
lungs/mouth
13) the process of breathing in is called
A
exhaling
B
inhaling
14) the process of breathing out is called
A
exhaling
B
inhaling
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
false
B
true
17) In a healthy person, all of the blood is cleaned by the kidneys 40 times each day
A
false
B
true
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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