The human body does not constantly lose water through .
a.
respiration
b.
digestion
c.
perspiration
d.
urination

B

Explanation:

Digestion loses the least amount of water from the body systems

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.