The immediate environment of every body cell needs to be kept in a state of balance so that each body cell can thrive. T

[answerhappygod]

The immediate environment of every body cell needs to be kept in
a state of balance so that each body cell can thrive. To this end,
each cell is bathed in _______fluid, whose chemical composition,
temperature and other characteristics are precisely monitored and
maintained.
Notice that all our body cells exist in a watery world with no
dry spots.