Our body uses oxygen and releases carbon dioxide into the blood. The heart pumps deoxygenated blood to the lungs.
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10
What system do the lungs belong to?
respiratory
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15
How many times does an adult breathe in per minute in relax?
from 15 to 20 times
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20
Describe your lungs during inhalation and exhalation
When we inhale, our lungs become bigger because they are filled with air. When we exhale, our lungs become smaller because the lungs push the air out.Â
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15
Why do we breathe faster after we do exercise?
because our bodies need more oxygen
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20
When you breathe in, what happened with your chest? And why?
The chest expands, because the lungs are filled with air
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15
What are the names of 2 branches that lead to the left and right lungs?
2 bronchi
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10
What is the function of the diaphragm?
support the lungs when we breathe
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Does your diaphragm move upwards or downwards when you exhale?