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124. How Your Lungs Work
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) When you are exercising and start breathing harder, this is a signal from your body telling you need more______________.
A
electrolytes
B
sleep
C
oxygen
D
Red bull
2) When you are breathing harder your __________starts pumping harder to send more oxygenated blood throughout your body.
A
chest muscles
B
heart
C
diaphragm
D
legs and arms
3) When you __________you bring air into your body through your nose and mouth.
A
donate blood
B
inhale
C
exhale
D
receive blood
4) After air passes your nose and mouth it then passes through the___________.
A
trachea
B
windpipe
C
bronchi
D
bronchus
5) After the inhaled air passes through the trachea it then is filtered into a left or right _____________.
A
bronchus
B
air sac
C
bronchi
D
capillary
6) The bronchi lead to two large organs, one on the left and one on the right side, responsible for_____________.
A
swimming
B
standing up straight
C
your heart beating
D
breathing
7) Your lungs inhale, or take in, air with the help of your _______________ and diaphragm.
A
chest muscles
B
rib cage
C
spinal cord
D
blood pressure
8) Your lungs are made of many slender tubes called bronchioles and at the end of them are tiny air sacs called ________________.
A
nerves
B
blood vessels
C
capillaries
D
alveoli
9) The alveoli is where the “magic happens” and the lungs replenish their_______________ supply.
A
carbon dioxide
B
oxygen
C
water
D
blood
10) There are nearly 600 ___________alveoli throughout the lungs.
A
thousand
B
million
C
Billion
D
hundred
11) When we inhale or exhale our body is getting rid of a harmful gas called Carbon Dioxide.
A
exhale
B
inhale
*select an answer for all questions
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