One of the contributing factors to stress reactions is the physical factor. Which of the following is associated with this factor? associated with this factor? sleep loss dehydration preexisting medical conditions worries about others

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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.

when it is at an intermediate population density