This ecosystem is located below the surface of the open ocean a deep zone
b
surface zone
C intertidal zone
d
neritic zone

it would lead to upper respiratory infections and pneumonia.

can you give me more to work here with plzs and you

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.