What two movements cause pressure in the lungs to decrease when breathing in?

The two movements that cause pressure in the lungs to decrease when breathing is inhalation and exhalation.

Explanation:

Inhalation is when air or other gases enters the lungs and Exhalation is the flow of the breath out of an organism.

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given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

a- all cells come from pre-existing cells