O A. Sweat helps cool the body. O B.
Sweat glands are located all over the body
O c. Sweat glands regulate body temperature
OD.
Sweat is used to sense pain or pressure changes.

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explanation:

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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.