Which of these is NOT a function of tentacles? * capturing prey
fighting other cnidarians
helping the animal swim
storing and using toxin

storing and using toxin

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.