Which of the following is an example of a process that involves ions in the body your heart beating

your brain telling you to breathe

your musclees contracting

all of the above

not sure if this is what you'r looking for nnew= nold

meiosis is the correct answer

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.

her affection for her parents makes her an especially sympathetic character.