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samjane samjane
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12 years ago
1. Which of the following processes does not occur during inspiration?
a. The diaphram moves to a flattened position.
b. Gas pressure inside the lungs is lowered.
c. Inspiratory muscles relax.
d. The size of the thoracic cavity increases.

3.  True or False: At the beginning of expiration, the air pressure of the atmosphere decreases so that air can flow from the lungs outward.
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Val
wrote...
#1
12 years ago
I pretty sure the first one is c. Inspiratory muscles relax. because air is coming IN

3.) is FALSE because air pressure decreases INSIDE the body

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samjane Author
wrote...
#2
12 years ago
 :)Thanks
wrote...
#3
12 years ago
# 1 is C and # 3 is TRUE
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