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WorksheetsRespiratory System
Total questions: 12
Worksheet time: 8mins
Name
Class
Date
1.
The system of the body that brings oxygen into the body and releases carbon dioxide.
a)
respiratory system
b)
skeletal system
c)
muscular system
d)
circulatory system
2.
Organs of the respiratory system that bring oxygen-rich air into the body and send oxygen-poor air out of the body.
a)
heart
b)
muscles
c)
lungs
d)
bones
3.
The process of taking in oxygen and releasing carbon dioxide from the body.
a)
transpiration
b)
respiration
c)
digestion
d)
relaxation
4.
The tube in the body through which air moves as it travels to and from the lungs;the windpipe.
a)
heart
b)
bone
c)
blood vessel
d)
trachea
5.
Tiny air sacs in the lungs that are the site of gas exchange between the lungs and blood.
a)
alveoli
b)
relax
c)
diaphragm
d)
nose
6.
A wide muscle that separates the chest cavity from the abdominal cavity and aids in the inflation of the lungs.
a)
diaphragm
b)
heart
c)
nose
d)
trachea
7.
The beginning point of the respiratory system where air is taken into the body.
a)
lung
b)
diaphragm
c)
nose
d)
trachea
8.
Inhale!!!!
Your lungs are ___________ air
Your lungs are ___________ air
a)
taking in
b)
letting out
9.
EXHALE!!!
My lungs are __________________ air.
My lungs are __________________ air.
a)
taking in
b)
letting out
10.
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
11.
When you breathe, your lungs take in ___ and remove ___.
a)
air/oxygen
b)
oxygen/carbon dioxide
c)
carbon dioxide/waste
d)
waste/air
12.
The heart is part of the respiratory system.
a)
True
b)
False
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