An animal that lives by eating other animals is called what

carnivorous animals ( carnivore )

is the right answer

carnivorous.

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b is the best answer for this question.

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.