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natka813 [3]
3 years ago
8

Which of these is a flap that shuts off the passage to the trachea and lungs?

Biology
1 answer:
lara31 [8.8K]3 years ago
5 0
Were going to need you to put the multiple choices up too.
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Glucagon stimulates the enzyme glycogen phospholylase which breaks down glycogen into glucose units.

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Prey minimize their presence and avoid predators by staying silent, staying in their refuge, and reduce their overall activity levels.

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