A pond contains guppies, cichlids, and freshwater crabs. The collection of all of the guppies and no other species is considered a

golgi body just took the test on edge

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.

very