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WorksheetsRespiratory, Nervous and Circulatory Systems
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The __________ system is made up of the lungs and the passageways that lead to them.
a)
respiratory
b)
circulatory
c)
nervous
d)
digestive
2.
Oxygen enters the body through the _______ or ________.
a)
ears or mouth
b)
nose or ears
c)
mouth or nose
d)
eyes or ears
3.
Air travels through the ______ to the lungs.
a)
diaphragm
b)
trachea
c)
arteries
d)
neurons
4.
The ______ is a muscle that helps the lungs breathe the air in and out.
a)
esophagus
b)
trachea
c)
heart
d)
diaphragm
5.
The respiratory system is responsible for bringing ______ into your body and removing ______ from your body.
a)
hydrogen; carbon dioxide
b)
hydrogen; oxygen
c)
carbon dioxide; oxygen
d)
oxygen; carbon dioxide
6.
The ______ system consists of the heart and blood vessels.
a)
digestive
b)
circulatory
c)
respiratory
d)
skeletal
7.
______ carry the blood away from the heart and ______ carry blood to the heart.
a)
Neurons; Arteries
b)
Neurons; Veins
c)
Arteries; veins
d)
Veins; arteries
8.
How many minutes does it take for the blood to circulate throughout the body?
a)
1-2 min
b)
2-3 min
c)
3-4 min
d)
4-5 min
9.
The ______ works with other body systems to help organisms respond to stimuli.
a)
digestive system
b)
respiratory system
c)
muscular system
d)
nervous system
10.
Nerve cells are called ______.
a)
veins
b)
arteries
c)
neurons
d)
stimuli
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