FEV1 can be difined the volume of air which can be forced out in one second after taking a deep breath.FEV1 is decreased in obstructive lung diseases and normal in restrictive lung disease.
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Question 23 6 pts Maggot flies used to lay their eggs only on apple trees, but recently, some apple maggot flies began to lay their eggs on nearby oranges instead. Now there are two groups of maggot flies: one that lays eggs on apples and one that lays eggs on oranges. Males only look for mates on the same type of fruit that they grew up on. There are now genetic differences between the two groups, and over a long...