Which celestial body had the strongest gravity, Earth, the me
or Jupiter?

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.

a compound light microscope is used to magnify objects in steps.  

hope it